Merge branch 'feature/assets' into 'main'

Cargo.lock

@@ -97,9 +97,9 @@ dependencies = [
 
 [[package]]
 name = "anyhow"
-version = "1.0.71"
+version = "1.0.75"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c7d0618f0e0b7e8ff11427422b64564d5fb0be1940354bfe2e0529b18a9d9b8"
+checksum = "a4668cab20f66d8d020e1fbc0ebe47217433c1b6c8f2040faf858554e394ace6"
 
 [[package]]
 name = "arrayref"
@@ -312,6 +312,12 @@ version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "349f9b6a179ed607305526ca489b34ad0a41aed5f7980fa90eb03160b69598fb"
 
+[[package]]
+name = "bit_field"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc827186963e592360843fb5ba4b973e145841266c1357f7180c43526f2e5b61"
+
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -515,6 +521,30 @@ dependencies = [
  "crossbeam-utils",
 ]
 
+[[package]]
+name = "crossbeam-deque"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce6fd6f855243022dcecf8702fef0c297d4338e226845fe067f6341ad9fa0cef"
+dependencies = [
+ "cfg-if",
+ "crossbeam-epoch",
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-epoch"
+version = "0.9.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae211234986c545741a7dc064309f67ee1e5ad243d0e48335adc0484d960bcc7"
+dependencies = [
+ "autocfg",
+ "cfg-if",
+ "crossbeam-utils",
+ "memoffset 0.9.0",
+ "scopeguard",
+]
+
 [[package]]
 name = "crossbeam-utils"
 version = "0.8.16"
@@ -524,6 +554,12 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "crunchy"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7"
+
 [[package]]
 name = "d3d12"
 version = "0.6.0"
@@ -598,6 +634,12 @@ dependencies = [
  "syn 2.0.26",
 ]
 
+[[package]]
+name = "either"
+version = "1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07"
+
 [[package]]
 name = "equivalent"
 version = "1.0.1"
@@ -631,6 +673,22 @@ version = "2.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0206175f82b8d6bf6652ff7d71a1e27fd2e4efde587fd368662814d6ec1d9ce0"
 
+[[package]]
+name = "exr"
+version = "1.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d1e481eb11a482815d3e9d618db8c42a93207134662873809335a92327440c18"
+dependencies = [
+ "bit_field",
+ "flume",
+ "half",
+ "lebe",
+ "miniz_oxide",
+ "rayon-core",
+ "smallvec",
+ "zune-inflate",
+]
+
 [[package]]
 name = "fastrand"
 version = "1.9.0"
@@ -665,6 +723,19 @@ dependencies = [
  "miniz_oxide",
 ]
 
+[[package]]
+name = "flume"
+version = "0.10.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1657b4441c3403d9f7b3409e47575237dac27b1b5726df654a6ecbf92f0f7577"
+dependencies = [
+ "futures-core",
+ "futures-sink",
+ "nanorand",
+ "pin-project",
+ "spin",
+]
+
 [[package]]
 name = "foreign-types"
 version = "0.3.2"
@@ -680,6 +751,12 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
 
+[[package]]
+name = "fuchsia-cprng"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
+
 [[package]]
 name = "futures-channel"
 version = "0.3.28"
@@ -716,6 +793,12 @@ dependencies = [
  "waker-fn",
 ]
 
+[[package]]
+name = "futures-sink"
+version = "0.3.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f43be4fe21a13b9781a69afa4985b0f6ee0e1afab2c6f454a8cf30e2b2237b6e"
+
 [[package]]
 name = "fxhash"
 version = "0.2.1"
@@ -732,8 +815,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
 dependencies = [
  "cfg-if",
+ "js-sys",
  "libc",
  "wasi",
+ "wasm-bindgen",
+]
+
+[[package]]
+name = "gif"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "80792593675e051cf94a4b111980da2ba60d4a83e43e0048c5693baab3977045"
+dependencies = [
+ "color_quant",
+ "weezl",
 ]
 
 [[package]]
@@ -847,6 +942,15 @@ dependencies = [
  "bitflags",
 ]
 
+[[package]]
+name = "half"
+version = "2.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "02b4af3693f1b705df946e9fe5631932443781d0aabb423b62fcd4d73f6d2fd0"
+dependencies = [
+ "crunchy",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.12.3"
@@ -900,17 +1004,21 @@ checksum = "dfa686283ad6dd069f105e5ab091b04c62850d3e4cf5d67debad1933f55023df"
 
 [[package]]
 name = "image"
-version = "0.24.6"
+version = "0.24.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "527909aa81e20ac3a44803521443a765550f09b5130c2c2fa1ea59c2f8f50a3a"
+checksum = "6f3dfdbdd72063086ff443e297b61695500514b1e41095b6fb9a5ab48a70a711"
 dependencies = [
  "bytemuck",
  "byteorder",
  "color_quant",
+ "exr",
+ "gif",
  "jpeg-decoder",
- "num-rational",
+ "num-rational 0.4.1",
  "num-traits",
  "png",
+ "qoi",
+ "tiff",
 ]
 
 [[package]]
@@ -992,6 +1100,9 @@ name = "jpeg-decoder"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bc0000e42512c92e31c2252315bda326620a4e034105e900c98ec492fa077b3e"
+dependencies = [
+ "rayon",
+]
 
 [[package]]
 name = "js-sys"
@@ -1028,6 +1139,12 @@ version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
+[[package]]
+name = "lebe"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "03087c2bad5e1034e8cace5926dec053fb3790248370865f5117a7d0213354c8"
+
 [[package]]
 name = "libc"
 version = "0.2.147"
@@ -1105,8 +1222,10 @@ dependencies = [
  "glam",
  "image",
  "instant",
+ "lyra-resource",
  "petgraph",
  "quote",
+ "stopwatch",
  "syn 2.0.26",
  "tobj",
  "tracing",
@@ -1117,6 +1236,16 @@ dependencies = [
  "winit",
 ]
 
+[[package]]
+name = "lyra-resource"
+version = "0.0.1"
+dependencies = [
+ "anyhow",
+ "image",
+ "thiserror",
+ "uuid",
+]
+
 [[package]]
 name = "mach2"
 version = "0.4.1"
@@ -1159,6 +1288,15 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "memoffset"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a634b1c61a95585bd15607c6ab0c4e5b226e695ff2800ba0cdccddf208c406c"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "metal"
 version = "0.24.0"
@@ -1221,6 +1359,15 @@ dependencies = [
  "unicode-xid",
 ]
 
+[[package]]
+name = "nanorand"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a51313c5820b0b02bd422f4b44776fbf47961755c74ce64afc73bfad10226c3"
+dependencies = [
+ "getrandom",
+]
+
 [[package]]
 name = "ndk"
 version = "0.7.0"
@@ -1259,7 +1406,7 @@ dependencies = [
  "bitflags",
  "cfg-if",
  "libc",
- "memoffset",
+ "memoffset 0.6.5",
 ]
 
 [[package]]
@@ -1272,7 +1419,7 @@ dependencies = [
  "bitflags",
  "cfg-if",
  "libc",
- "memoffset",
+ "memoffset 0.6.5",
 ]
 
 [[package]]
@@ -1307,6 +1454,42 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "num"
+version = "0.1.42"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4703ad64153382334aa8db57c637364c322d3372e097840c72000dabdcf6156e"
+dependencies = [
+ "num-bigint",
+ "num-complex",
+ "num-integer",
+ "num-iter",
+ "num-rational 0.1.42",
+ "num-traits",
+]
+
+[[package]]
+name = "num-bigint"
+version = "0.1.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e63899ad0da84ce718c14936262a41cee2c79c981fc0a0e7c7beb47d5a07e8c1"
+dependencies = [
+ "num-integer",
+ "num-traits",
+ "rand",
+ "rustc-serialize",
+]
+
+[[package]]
+name = "num-complex"
+version = "0.1.43"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b288631d7878aaf59442cffd36910ea604ecd7745c36054328595114001c9656"
+dependencies = [
+ "num-traits",
+ "rustc-serialize",
+]
+
 [[package]]
 name = "num-integer"
 version = "0.1.45"
@@ -1317,6 +1500,29 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "num-iter"
+version = "0.1.43"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7d03e6c028c5dc5cac6e2dec0efda81fc887605bb3d884578bb6d6bf7514e252"
+dependencies = [
+ "autocfg",
+ "num-integer",
+ "num-traits",
+]
+
+[[package]]
+name = "num-rational"
+version = "0.1.42"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee314c74bd753fc86b4780aa9475da469155f3848473a261d2d18e35245a784e"
+dependencies = [
+ "num-bigint",
+ "num-integer",
+ "num-traits",
+ "rustc-serialize",
+]
+
 [[package]]
 name = "num-rational"
 version = "0.4.1"
@@ -1337,6 +1543,16 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "num_cpus"
+version = "1.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4161fcb6d602d4d2081af7c3a45852d875a03dd337a6bfdd6e06407b61342a43"
+dependencies = [
+ "hermit-abi",
+ "libc",
+]
+
 [[package]]
 name = "num_enum"
 version = "0.5.11"
@@ -1500,12 +1716,32 @@ checksum = "9b2a4787296e9989611394c33f193f676704af1686e70b8f8033ab5ba9a35a94"
 
 [[package]]
 name = "petgraph"
-version = "0.6.3"
+version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4dd7d28ee937e54fe3080c91faa1c3a46c06de6252988a7f4592ba2310ef22a4"
+checksum = "e1d3afd2628e69da2be385eb6f2fd57c8ac7977ceeff6dc166ff1657b0e386a9"
 dependencies = [
  "fixedbitset",
- "indexmap 1.9.3",
+ "indexmap 2.0.0",
+]
+
+[[package]]
+name = "pin-project"
+version = "1.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fda4ed1c6c173e3fc7a83629421152e01d7b1f9b7f65fb301e490e8cfc656422"
+dependencies = [
+ "pin-project-internal",
+]
+
+[[package]]
+name = "pin-project-internal"
+version = "1.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4359fd9c9171ec6e8c62926d6faaf553a8dc3f64e1507e76da7911b4f6a04405"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.26",
 ]
 
 [[package]]
@@ -1591,6 +1827,15 @@ version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "332cd62e95873ea4f41f3dfd6bbbfc5b52aec892d7e8d534197c4720a0bbbab2"
 
+[[package]]
+name = "qoi"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f6d64c71eb498fe9eae14ce4ec935c555749aef511cca85b5568910d6e48001"
+dependencies = [
+ "bytemuck",
+]
+
 [[package]]
 name = "quote"
 version = "1.0.29"
@@ -1600,6 +1845,34 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "rand"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "552840b97013b1a26992c11eac34bdd778e464601a4c2054b5f0bff7c6761293"
+dependencies = [
+ "fuchsia-cprng",
+ "libc",
+ "rand_core 0.3.1",
+ "rdrand",
+ "winapi",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
+dependencies = [
+ "rand_core 0.4.2",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c33a3c44ca05fa6f1807d8e6743f3824e8509beca625669633be0acbdf509dc"
+
 [[package]]
 name = "range-alloc"
 version = "0.1.3"
@@ -1612,6 +1885,37 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f2ff9a1f06a88b01621b7ae906ef0211290d1c8a168a15542486a8f61c0833b9"
 
+[[package]]
+name = "rayon"
+version = "1.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d2df5196e37bcc87abebc0053e20787d73847bb33134a69841207dd0a47f03b"
+dependencies = [
+ "either",
+ "rayon-core",
+]
+
+[[package]]
+name = "rayon-core"
+version = "1.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4b8f95bd6966f5c87776639160a66bd8ab9895d9d4ab01ddba9fc60661aebe8d"
+dependencies = [
+ "crossbeam-channel",
+ "crossbeam-deque",
+ "crossbeam-utils",
+ "num_cpus",
+]
+
+[[package]]
+name = "rdrand"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
+dependencies = [
+ "rand_core 0.3.1",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.3.5"
@@ -1639,6 +1943,12 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
 
+[[package]]
+name = "rustc-serialize"
+version = "0.3.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dcf128d1287d2ea9d80910b5f1120d0b8eede3fbf1abe91c40d39ea7d51e6fda"
+
 [[package]]
 name = "rustix"
 version = "0.37.23"
@@ -1771,6 +2081,15 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "spin"
+version = "0.9.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
+dependencies = [
+ "lock_api",
+]
+
 [[package]]
 name = "spirv"
 version = "0.2.0+1.5.4"
@@ -1787,6 +2106,15 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
+[[package]]
+name = "stopwatch"
+version = "0.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d04b5ebc78da44d3a456319d8bc2783e7d8cc7ccbb5cb4dc3f54afbd93bf728"
+dependencies = [
+ "num",
+]
+
 [[package]]
 name = "strict-num"
 version = "0.1.1"
@@ -1826,18 +2154,18 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "1.0.43"
+version = "1.0.48"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a35fc5b8971143ca348fa6df4f024d4d55264f3468c71ad1c2f365b0a4d58c42"
+checksum = "9d6d7a740b8a666a7e828dd00da9c0dc290dff53154ea77ac109281de90589b7"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.43"
+version = "1.0.48"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "463fe12d7993d3b327787537ce8dd4dfa058de32fc2b195ef3cde03dc4771e8f"
+checksum = "49922ecae66cc8a249b77e68d1d0623c1b2c514f0060c27cdc68bd62a1219d35"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1854,6 +2182,17 @@ dependencies = [
  "once_cell",
 ]
 
+[[package]]
+name = "tiff"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d172b0f4d3fba17ba89811858b9d3d97f928aece846475bbda076ca46736211"
+dependencies = [
+ "flate2",
+ "jpeg-decoder",
+ "weezl",
+]
+
 [[package]]
 name = "time"
 version = "0.3.28"
@@ -2034,9 +2373,12 @@ checksum = "f962df74c8c05a667b5ee8bcf162993134c104e96440b663c8daa176dc772d8c"
 
 [[package]]
 name = "uuid"
-version = "1.4.0"
+version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d023da39d1fde5a8a3fe1f3e01ca9632ada0a63e9797de55a879d6e2236277be"
+checksum = "79daa5ed5740825c40b389c5e50312b9c86df53fccd33f281df655642b43869d"
+dependencies = [
+ "getrandom",
+]
 
 [[package]]
 name = "valuable"
@@ -2223,6 +2565,12 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "weezl"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9193164d4de03a926d909d3bc7c30543cecb35400c02114792c2cae20d5e2dbb"
+
 [[package]]
 name = "wgpu"
 version = "0.15.1"
@@ -2579,3 +2927,12 @@ name = "xml-rs"
 version = "0.8.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5a56c84a8ccd4258aed21c92f70c0f6dea75356b6892ae27c24139da456f9336"
+
+[[package]]
+name = "zune-inflate"
+version = "0.2.54"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73ab332fe2f6680068f3582b16a24f90ad7096d5d39b974d1c0aff0125116f02"
+dependencies = [
+ "simd-adler32",
+]

Cargo.toml

@@ -3,9 +3,14 @@ name = "lyra-engine"
 version = "0.0.1"
 edition = "2021"
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+[workspace]
+members = [
+    "lyra-resource"
+]
 
 [dependencies]
+lyra-resource = { path = "lyra-resource", version = "0.0.1" }
+
 winit = "0.28.1"
 tracing = "0.1.37"
 tracing-subscriber = { version = "0.3.16", features = [ "tracing-log" ] }
@@ -22,7 +27,6 @@ tobj = { version = "3.2.1", features = [
 instant = "0.1"
 async-trait = "0.1.65"
 glam = { version = "0.24.0", features = ["bytemuck"] }
-petgraph = "0.6.3"
 gilrs-core = "0.5.6"
 syn = "2.0.26"
 quote = "1.0.29"
@@ -31,3 +35,4 @@ atomicell = "0.1.9"
 aligned-vec = "0.5.0"
 tracing-appender = "0.2.2"
 stopwatch = "0.0.7"
+petgraph = "0.6.4"

lyra-resource/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "lyra-resource"
+version = "0.0.1"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+anyhow = "1.0.75"
+image = "0.24.7"
+thiserror = "1.0.48"
+uuid = { version = "1.4.1", features = ["v4"] }

lyra-resource/src/lib.rs

@@ -0,0 +1,26 @@
+pub mod resource_manager;
+pub use resource_manager::*;
+
+pub mod resource;
+pub use resource::*;
+
+pub mod texture;
+pub use texture::*;
+
+pub mod loader;
+pub use loader::*;
+
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}

lyra-resource/src/loader/mod.rs

@@ -0,0 +1,35 @@
+pub mod texture;
+
+use std::{io, sync::Arc, fs::File};
+
+use thiserror::Error;
+
+use crate::resource_manager::ResourceStorage;
+
+#[derive(Error, Debug)]
+pub enum LoaderError {
+    #[error("A malformed path was given: '{0}'")]
+    InvalidPath(String),
+    
+    #[error("The loader does not support the extension '{0}'")]
+    UnsupportedExtension(String),
+    
+    #[error("IOError: '{0}'")]
+    IOError(io::Error),
+
+    // From is implemented for this field in each loader module
+    #[error("Decoding error: '{0}'")]
+    DecodingError(anyhow::Error),
+}
+
+impl From<io::Error> for LoaderError {
+    fn from(value: io::Error) -> Self {
+        LoaderError::IOError(value)
+    }
+}
+
+pub trait ResourceLoader: Send + Sync {
+    fn extensions(&self) -> &[&str];
+    fn does_support_file(&self, path: &str) -> bool;
+    fn load(&self, path: &str) -> Result<Arc<dyn ResourceStorage>, LoaderError>;
+}

lyra-resource/src/loader/texture.rs

@@ -0,0 +1,62 @@
+use std::{fs::File, sync::Arc, path::Path, ffi::OsStr, io::Read};
+
+use image::ImageError;
+
+use crate::{resource_manager::ResourceStorage, texture::Texture, resource::Resource};
+
+use super::{LoaderError, ResourceLoader};
+
+impl From<ImageError> for LoaderError {
+    fn from(value: ImageError) -> Self {
+        LoaderError::DecodingError(anyhow::Error::from(value))
+    }
+}
+
+/// A struct that implements the `ResourceLoader` trait used for loading textures.
+#[derive(Default)]
+pub struct TextureLoader;
+
+impl ResourceLoader for TextureLoader {
+    fn extensions(&self) -> &[&str] {
+        &[
+            // the extensions of these are the names of the formats
+            "bmp", "dds", "gif", "ico", "jpeg", "jpg", "png", "qoi", "tga", "tiff", "webp",
+
+            // farbfeld
+            "ff",
+            
+            // pnm
+            "pnm", "pbm", "pgm", "ppm", "pam",
+        ]
+    }
+
+    fn does_support_file(&self, path: &str) -> bool {
+        match Path::new(path).extension().and_then(OsStr::to_str) {
+            Some(ext) => {
+                self.extensions().contains(&ext)
+            },
+            _ => false,
+        }
+    }
+
+    fn load(&self, path: &str) -> Result<Arc<dyn ResourceStorage>, LoaderError> {
+        // check if the file is supported by this loader
+        if !self.does_support_file(path) {
+            return Err(LoaderError::UnsupportedExtension(path.to_string()));
+        }
+
+        // read file bytes
+        let mut file = File::open(path)?;
+        let mut buf = vec![];
+        file.read_to_end(&mut buf)?;
+
+        // load the image and construct Resource<Texture>
+        let image = image::load_from_memory(&buf)?;
+        let texture = Texture {
+            image,
+        };
+        let res = Resource::with_data(path, texture);
+
+        Ok(Arc::new(res))
+    }
+}

lyra-resource/src/resource.rs

@@ -0,0 +1,29 @@
+use std::sync::Arc;
+
+use uuid::Uuid;
+
+#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord)]
+pub enum ResourceState {
+    Loading,
+    Ready,
+}
+
+#[derive(Clone)]
+pub struct Resource<T: Send + Sync + 'static> {
+    pub path: String,
+    pub data: Option<Arc<T>>,
+    pub uuid: Uuid,
+    pub state: ResourceState,
+}
+
+impl<T: Send + Sync + 'static> Resource<T> {
+    /// Create the resource with data, its assumed the state is `Ready`
+    pub fn with_data(path: &str, data: T) -> Self {
+        Self {
+            path: path.to_string(),
+            data: Some(Arc::new(data)),
+            uuid: Uuid::new_v4(),
+            state: ResourceState::Ready,
+        }
+    }
+}

lyra-resource/src/resource_manager.rs

@@ -0,0 +1,83 @@
+use std::{sync::Arc, collections::{HashMap, hash_map::DefaultHasher}, hash::{Hash, Hasher}, any::Any};
+
+use thiserror::Error;
+
+use crate::{resource::Resource, loader::{ResourceLoader, LoaderError, texture::TextureLoader}};
+
+pub trait ResourceStorage: Send + Sync + Any + 'static {
+    fn as_any(&self) -> &dyn Any;
+    fn as_any_mut(&mut self) -> &mut dyn Any;
+    fn as_arc_any(self: Arc<Self>) -> Arc<dyn Any + Send + Sync>;
+}
+
+/// Implements this trait for anything that fits the type bounds
+impl<T: Send + Sync + 'static> ResourceStorage for T {
+    fn as_any(&self) -> &dyn Any {
+        self
+    }
+
+    fn as_any_mut(&mut self) -> &mut dyn Any {
+        self
+    }
+
+    fn as_arc_any(self: Arc<Self>) -> Arc<dyn Any + Send + Sync> {
+        self.clone()
+    }
+}
+
+#[derive(Error, Debug)]
+pub enum RequestError {
+    #[error("{0}")]
+    Loader(LoaderError),
+    #[error("The file extension is unsupported: '{0}'")]
+    UnsupportedFileExtension(String),
+}
+
+impl From<LoaderError> for RequestError {
+    fn from(value: LoaderError) -> Self {
+        RequestError::Loader(value)
+    }
+}
+
+#[derive(Default)]
+pub struct ResourceManager {
+    resources: HashMap<String, Arc<dyn ResourceStorage>>,
+    loaders: Vec<Box<dyn ResourceLoader>>,
+}
+
+impl ResourceManager {
+    pub fn new() -> Self {
+        Self {
+            resources: HashMap::new(),
+            loaders: vec![ Box::new(TextureLoader::default()) ],
+        }
+    }
+
+    pub fn request<T: Send + Sync + Any + 'static>(&mut self, path: &str) -> Result<Arc<Resource<T>>, RequestError> {
+        match self.resources.get(&path.to_string()) {
+            Some(res) => {
+                let res = res.clone().as_arc_any();
+                let res = res.downcast::<Resource<T>>().expect("Failure to downcast resource");
+
+                Ok(res)
+            },
+            None => {
+                if let Some(loader) = self.loaders.iter()
+                        .find(|l| l.does_support_file(path)) {
+
+                    // Load the resource and store it
+                    let res = loader.load(path)?;
+                    self.resources.insert(path.to_string(), res.clone());
+
+                    // convert Arc<dyn ResourceStorage> to Arc<Resource<T>
+                    let res = res.as_arc_any();
+                    let res = res.downcast::<Resource<T>>().expect("Failure to downcast resource");
+
+                    Ok(res)
+                } else {
+                    Err(RequestError::UnsupportedFileExtension(path.to_string()))
+                }
+            }
+        }
+    }
+}

lyra-resource/src/texture.rs

@@ -0,0 +1,10 @@
+use image::{DynamicImage, ImageResult, ImageBuffer, Rgba};
+
+#[derive(Clone)]
+pub struct Texture {
+    pub image: DynamicImage,
+}
+
+impl Texture {
+    
+}

src/ecs/components/camera.rs

@@ -20,7 +20,13 @@ impl Default for CameraComponent {
 }
 
 impl CameraComponent {
-    pub fn new() -> Self {
+    pub fn new_3d() -> Self {
         Self::default()
     }
+
+    pub fn new_2d() -> Self {
+        let mut s = Self::default();
+        s.mode = CameraProjectionMode::Orthographic;
+        s
+    }
 }

src/ecs/mod.rs

@@ -1,31 +1,29 @@
-use std::collections::HashMap;
-
-use petgraph::{prelude::StableDiGraph, stable_graph::NodeIndex, visit::Topo};
-use tracing::warn;
-
-use crate::game::Controls;
-
 pub use edict::*;
 
 pub mod components;
 pub mod events;
 pub use events::*;
 
+use std::collections::HashMap;
+
+use petgraph::{stable_graph::{StableDiGraph, NodeIndex}, visit::Topo};
+use tracing::warn;
+
 /// A trait that represents a simple system
 pub trait SimpleSystem {
-    fn setup(&mut self, controls: &mut Controls) -> anyhow::Result<()> {
+    fn setup(&mut self, world: &mut World) -> anyhow::Result<()> {
         Ok(())
     }
 
     // todo: make async?
-    fn execute_mut(&mut self, controls: &mut Controls) -> anyhow::Result<()>;
+    fn execute_mut(&mut self, world: &mut World) -> anyhow::Result<()>;
 }
 
 impl<S> SimpleSystem for S
     where S: FnMut(&mut edict::World) -> anyhow::Result<()>
 {
-    fn execute_mut(&mut self, controls: &mut Controls) -> anyhow::Result<()> {
+    fn execute_mut(&mut self, world: &mut World) -> anyhow::Result<()> {
-        self(controls.world)
+        self(world)
     }
 }
 
@@ -44,9 +42,9 @@ impl BatchedSystem {
 }
 
 impl SimpleSystem for BatchedSystem {
-    fn execute_mut(&mut self, controls: &mut Controls) -> anyhow::Result<()> {
+    fn execute_mut(&mut self, world: &mut World) -> anyhow::Result<()> {
         for system in self.systems.iter_mut() {
-            system.execute_mut(controls)?;
+            system.execute_mut(world)?;
         }
 
         Ok(())
@@ -122,13 +120,13 @@ impl SystemDispatcher {
         true
     }
 
-    pub(crate) fn execute_systems(&mut self, controls: &mut Controls) {
+    pub(crate) fn execute_systems(&mut self, world: &mut World) {
         let mut topo = Topo::new(&self.graph);
 
         while let Some(nx) = topo.next(&self.graph) {
             let node = self.graph.node_weight_mut(nx).unwrap();
 
-            match node.system.execute_mut(controls) {
+            match node.system.execute_mut(world) {
                 Ok(()) => {},
                 Err(e) => {
                     warn!("System execution of {} resulted in an error! '{}'.", node.name, e);
@@ -144,8 +142,8 @@ impl SystemDispatcher {
 }
 
 impl SimpleSystem for SystemDispatcher {
-    fn execute_mut(&mut self, controls: &mut Controls) -> anyhow::Result<()> {
+    fn execute_mut(&mut self, world: &mut World) -> anyhow::Result<()> {
-        self.execute_systems(controls);
+        self.execute_systems(world);
 
         Ok(())
     }

src/game.rs

@@ -68,15 +68,11 @@ impl GameLoop {
     }
 
     async fn update(&mut self) {
-        let mut controls = Controls {
+        if let Err(e) = self.engine_sys_dispatcher.execute_mut(&mut self.world) {
-            world: &mut self.world,
-        };
-
-        if let Err(e) = self.engine_sys_dispatcher.execute_mut(&mut controls) {
             error!("Error when executing engine ecs systems: '{}'", e);
         }
 
-        if let Err(e) = self.user_sys_dispatcher.execute_mut(&mut controls) {
+        if let Err(e) = self.user_sys_dispatcher.execute_mut(&mut self.world) {
             error!("Error when executing user ecs systems: '{}'", e);
         }
     }
@@ -224,9 +220,10 @@ impl GameLoop {
 }
 
 pub struct Game {
-    pub world: Option<edict::World>,
+    world: Option<edict::World>,
     plugins: VecDeque<Box<dyn Plugin>>,
     system_dispatcher: Option<SystemDispatcher>,
+    startup_systems: VecDeque<Box<dyn SimpleSystem>>,
 }
 
 impl Default for Game {
@@ -235,6 +232,7 @@ impl Default for Game {
             world: Some(edict::World::new()),
             plugins: VecDeque::new(),
             system_dispatcher: Some(SystemDispatcher::new()),
+            startup_systems: VecDeque::new(),
         }
     }
 }
@@ -244,6 +242,13 @@ impl Game {
         Self::default()
     }
 
+    /// Get the world of this game
+    pub fn world(&mut self) -> &mut edict::World {
+        // world is always `Some`, so unwrapping is safe
+        self.world.as_mut().unwrap()
+    }
+
+    /// Add a system to the ecs world
     pub fn with_system<S>(&mut self, name: &str, system: S, depends: &[&str]) -> &mut Self
     where
         S: SimpleSystem + 'static
@@ -254,7 +259,18 @@ impl Game {
         self
     }
 
-    /// Add a plugin to the game
+    /// Add a startup system that will be ran right after plugins are setup.
+    /// They will only be ran once
+    pub fn with_startup_system<S>(&mut self, system: S) -> &mut Self
+    where
+        S: SimpleSystem + 'static
+    {
+        self.startup_systems.push_back(Box::new(system));
+
+        self
+    }
+
+    /// Add a plugin to the game. These will be executed before the window is initiated and opened
     pub fn with_plugin<P>(&mut self, plugin: P) -> &mut Self
     where
         P: Plugin + 'static
@@ -264,12 +280,16 @@ impl Game {
         self
     }
 
+    /// Override the default (empty) world
+    /// 
+    /// This isn't recommended, you should create a startup system and add it to `with_startup_system`
     pub fn with_world(&mut self, world: edict::World) -> &mut Self {
         self.world = Some(world);
 
         self
     }
 
+    /// Start the game
     pub async fn run(&mut self) {
         // init logging
         let (stdout_layer, _stdout_nb) = non_blocking(std::io::stdout());
@@ -286,11 +306,19 @@ impl Game {
             plugin.as_ref().setup(self);
         }
 
+        let mut world = self.world.take().unwrap_or_else(|| edict::World::new());
+
+        // run startup systems
+        while let Some(mut startup) = self.startup_systems.pop_front() {
+            let startup = startup.as_mut();
+            startup.setup(&mut world).expect("World returned an error!");
+            startup.execute_mut(&mut world).expect("World returned an error!");
+        }
+
         // start winit event loops
         let event_loop = EventLoop::new();
         let window = Arc::new(WindowBuilder::new().build(&event_loop).unwrap());
         
-        let world = self.world.take().unwrap_or_else(|| edict::World::new());
         let system_dispatcher = self.system_dispatcher.take().unwrap();
         let mut g_loop = GameLoop::new(Arc::clone(&window), world, system_dispatcher).await;
         g_loop.on_init().await;

src/input.rs

@@ -313,9 +313,7 @@ impl InputSystem {
 }
 
 impl SimpleSystem for InputSystem {
-    fn execute_mut(&mut self, controls: &mut crate::game::Controls) -> anyhow::Result<()> {
+    fn execute_mut(&mut self, world: &mut edict::World) -> anyhow::Result<()> {
-        let world = &mut controls.world;
-
         let queue = world.get_resource_mut::<EventQueue>()
             .map(|q| q.read_events::<InputEvent>()).flatten();
 

src/lib.rs

@@ -8,17 +8,6 @@ pub mod input;
 pub mod castable_any;
 pub mod plugin;
 
-use plugin::Plugin;
+pub use lyra_resource as assets;
 
-use crate::input::InputPlugin;
+pub use plugin::DefaultPlugins;
-
-/// Default plugins of Lyra. Make sure to have these added to the Game first
-#[derive(Default)]
-pub struct DefaultPlugins;
-
-impl Plugin for DefaultPlugins {
-    fn setup(&self, game: &mut game::Game) {
-        // setup input
-        InputPlugin::default().setup(game);
-    }
-}

src/plugin.rs

@@ -1,4 +1,7 @@
+use lyra_resource::ResourceManager;
+
 use crate::game::Game;
+use crate::input::InputPlugin;
 
 /// A Plugin is something you can add to a `Game` that can be used to define systems, or spawn initial entities.
 pub trait Plugin {
@@ -74,3 +77,24 @@ impl_tuple_plugin_set! { (C0, 0) (C1, 1) (C2, 2) (C3, 3) (C4, 4) (C5, 5) (C6, 6)
 impl_tuple_plugin_set! { (C0, 0) (C1, 1) (C2, 2) (C3, 3) (C4, 4) (C5, 5) (C6, 6) (C7, 7) (C8, 8) (C9, 9) (C10, 10) (C11, 11) (C12, 12) }
 impl_tuple_plugin_set! { (C0, 0) (C1, 1) (C2, 2) (C3, 3) (C4, 4) (C5, 5) (C6, 6) (C7, 7) (C8, 8) (C9, 9) (C10, 10) (C11, 11) (C12, 12) (C13, 13) }
 impl_tuple_plugin_set! { (C0, 0) (C1, 1) (C2, 2) (C3, 3) (C4, 4) (C5, 5) (C6, 6) (C7, 7) (C8, 8) (C9, 9) (C10, 10) (C11, 11) (C12, 12) (C13, 13) (C14, 14) }
+
+#[derive(Default)]
+pub struct ResourceManagerPlugin;
+
+impl Plugin for ResourceManagerPlugin {
+    fn setup(&self, game: &mut Game) {
+        game.world().insert_resource(ResourceManager::new());
+    }
+}
+
+/// Default plugins of Lyra. Make sure to have these added to the Game first
+#[derive(Default)]
+pub struct DefaultPlugins;
+
+impl Plugin for DefaultPlugins {
+    fn setup(&self, game: &mut Game) {
+        // setup input
+        InputPlugin::default().setup(game);
+        ResourceManagerPlugin::default().setup(game);
+    }
+}

src/render/camera.rs

@@ -40,6 +40,7 @@ impl Projection {
 pub struct RenderCamera {
     view_proj: glam::Mat4,
     
+    size: PhysicalSize<u32>,
     aspect: f32,
     znear: f32,
     zfar: f32,
@@ -50,6 +51,7 @@ impl RenderCamera {
         Self {
             view_proj: glam::Mat4::IDENTITY,
 
+            size,
             aspect: size.width as f32 / size.height as f32,
             znear: 0.1,
             zfar: 100.0,
@@ -61,27 +63,39 @@ impl RenderCamera {
     }
 
     pub fn update_view_projection(&mut self, camera: &CameraComponent) -> &glam::Mat4 {
-        let position = camera.transform.translation;
+        match camera.mode {
-        let target = camera.transform.rotation * glam::Vec3::new(0.0, 0.0, -1.0);
+            CameraProjectionMode::Perspective => {
-        let target = target.normalize();
+                let position = camera.transform.translation;
+                let target = camera.transform.rotation * glam::Vec3::new(0.0, 0.0, -1.0);
+                let target = target.normalize();
 
-        /* debug!("Camera rotation: {:?}", rotation);
+                let view = glam::Mat4::look_to_rh(
-        debug!("Camera position: {:?}", position);
+                    position,
-        debug!("Camera target: {:?}", target); */
+                    target,
+                    glam::Vec3::new(0.0, 1.0, 0.0)
+                );
                 
-        let view = glam::Mat4::look_to_rh(
+                let proj = glam::Mat4::perspective_rh_gl(camera.fov.to_radians(), self.aspect, self.znear, self.zfar);
-            position,
-            target,
-            glam::Vec3::new(0.0, 1.0, 0.0)
-        );
 
-        let proj = glam::Mat4::perspective_rh_gl(camera.fov.to_radians(), self.aspect, self.znear, self.zfar);
+                self.view_proj = OPENGL_TO_WGPU_MATRIX * proj * view;
+                &self.view_proj
+            },
+            CameraProjectionMode::Orthographic => {
+                let position = camera.transform.translation;
+                let target = camera.transform.rotation * glam::Vec3::new(0.0, 0.0, -1.0);
+                let target = target.normalize();
 
-        self.view_proj = OPENGL_TO_WGPU_MATRIX * proj * view;
+                let ratio_size_per_depth = ((camera.fov.to_radians() / 2.0) * 2.0).atan();
-        &self.view_proj
+                let distance = (target - position).length();
-    }
 
-    pub fn view_proj(&self) -> &glam::Mat4 {
+                let size_y = ratio_size_per_depth * distance;
-        &self.view_proj
+                let size_x = ratio_size_per_depth * distance * self.aspect;
+
+                let proj = glam::Mat4::orthographic_rh_gl(-size_x, size_x, -size_y, size_y, self.znear, self.zfar);
+
+                self.view_proj = OPENGL_TO_WGPU_MATRIX * proj;
+                &self.view_proj
+            },
+        }
     }
 }

src/render/material.rs

@@ -1,7 +1,9 @@
-use super::texture::Texture;
+use std::sync::Arc;
+
+use lyra_resource::{Texture, Resource};
 
 #[derive(Clone)]
 pub struct Material {
     pub shader_id: u32,
-    pub texture: Texture,
+    pub texture: Arc<Resource<Texture>>,
 }

src/render/renderer.rs

@@ -462,8 +462,9 @@ impl BasicRenderer {
 
         let (vertex_buffer, buffer_indices) = self.create_vertex_index_buffers(mesh);
 
-        let texture_img = &model.material.texture;
+        let model_texture = &model.material.texture;
-        let diffuse_texture = RenderTexture::from_image(&self.device, &self.queue, &texture_img.img, 0, None).unwrap();
+        let image = &model_texture.data.as_ref().unwrap().image;
+        let diffuse_texture = RenderTexture::from_image(&self.device, &self.queue, image, None).unwrap();
 
         let texture_bind_group_layout =
             self.device.create_bind_group_layout(&wgpu::BindGroupLayoutDescriptor {

src/render/texture.rs

@@ -1,8 +1,9 @@
 use std::sync::Arc;
 
 use image::GenericImageView;
+use lyra_resource::{Resource, Texture};
 
-#[derive(Clone)]
+/* #[derive(Clone)]
 pub struct Texture {
     texture_id: u32,
     pub img: image::DynamicImage,
@@ -17,14 +18,13 @@ impl Texture {
             img,
         })
     }
-}
+} */
 
 
 
 #[derive(Clone)]
 #[allow(dead_code)]
 pub struct RenderTexture {
-    texture_id: u32,
     texture: Arc<wgpu::Texture>,
     view: Arc<wgpu::TextureView>,
     sampler: Arc<wgpu::Sampler>,
@@ -33,12 +33,12 @@ pub struct RenderTexture {
 impl RenderTexture {
     pub const DEPTH_FORMAT: wgpu::TextureFormat = wgpu::TextureFormat::Depth32Float;
 
-    pub fn from_bytes(device: &wgpu::Device, queue: &wgpu::Queue, bytes: &[u8], texture_id: u32, label: &str) -> anyhow::Result<Self> {
+    pub fn from_bytes(device: &wgpu::Device, queue: &wgpu::Queue, bytes: &[u8], label: &str) -> anyhow::Result<Self> {
         let img = image::load_from_memory(bytes)?;
-        Self::from_image(device, queue, &img, texture_id, Some(label))
+        Self::from_image(device, queue, &img, Some(label))
     }
 
-    pub fn from_image(device: &wgpu::Device, queue: &wgpu::Queue, img: &image::DynamicImage, texture_id: u32, label: Option<&str>) -> anyhow::Result<Self> {
+    pub fn from_image(device: &wgpu::Device, queue: &wgpu::Queue, img: &image::DynamicImage, label: Option<&str>) -> anyhow::Result<Self> {
         let rgba = img.to_rgba8();
         let dimensions = img.dimensions();
 
@@ -90,16 +90,16 @@ impl RenderTexture {
         );
         
         Ok(Self {
-            texture_id,
             texture: Arc::new(texture),
             view: Arc::new(view),
             sampler: Arc::new(sampler),
         })
     }
 
-    pub fn update_texture(&mut self, device: &wgpu::Device, queue: &wgpu::Queue, texture: &Texture) {
+    pub fn update_texture(&mut self, device: &wgpu::Device, queue: &wgpu::Queue, texture: &Arc<Resource<Texture>>) {
-        let rgba = texture.img.to_rgba8();
+        let texture = &texture.data.as_ref().unwrap().image;
-        let dimensions = texture.img.dimensions();
+        let rgba = texture.to_rgba8();
+        let dimensions = texture.dimensions();
         let size = wgpu::Extent3d {
             width: dimensions.0,
             height: dimensions.1,
@@ -162,7 +162,6 @@ impl RenderTexture {
             texture: Arc::new(texture),
             view: Arc::new(view),
             sampler: Arc::new(sampler),
-            texture_id: 0
         }
     }