Map stuff some more, about to do more packing stuff

src/duskgl/display/shader/data/map.c

@@ -27,7 +27,9 @@ void mapUpdate() {
   memoryCopyRangeSafe(
     &MAP_DATA.tileIds,
     &OVERWORLD.tileIds[0],
-    &OVERWORLD.tileIds[OVERWORLD.mapWidth * OVERWORLD.mapHeight],
+    &OVERWORLD.tileIds[
+      OVERWORLD.mapWidth * OVERWORLD.mapHeight * OVERWORLD.mapLayerCount
+    ],
     sizeof(MAP_DATA.tileIds)
   );
 
@@ -35,7 +37,7 @@ void mapUpdate() {
   memoryCopyRangeSafe(
     &MAP_DATA.mapSize,
     &OVERWORLD.mapWidth,
-    &OVERWORLD.mapHeight + sizeof(uint8_t),
+    &OVERWORLD.mapLayerCount + sizeof(uint8_t),
     sizeof(MAP_DATA.mapSize)
   );
   

src/duskgl/display/shader/data/map.glsl

@@ -22,13 +22,25 @@ vec2 mapGetVertice(uint instanceIndex, uint indiceIndex) {
 
   uint mapWidth = packedGetU8(0u, mapSize);
   uint mapHeight = packedGetU8(1u, mapSize);
+  uint mapLayerCount = packedGetU8(2u, mapSize);
 
-  quad += vec2(
-    float(instanceIndex % mapWidth),
-    float(instanceIndex / mapWidth)
-  );
+  // Get x and y within layer
+  uint x = instanceIndex % mapWidth;
+  uint y = (instanceIndex / mapWidth) % mapHeight;
 
+  // Get quad position, consider layer count
+  quad += vec2(x, y);
   quad *= mapTileGetSize();
 
   return quad;
+}
+
+uint mapGetLayer(uint instanceIndex) {
+  uint mapWidth = packedGetU8(0u, mapSize);
+  uint mapHeight = packedGetU8(1u, mapSize);
+  return instanceIndex / (mapWidth * mapHeight);
+}
+
+uint mapGetTileId(uint instanceIndex) {
+  
 }

src/duskgl/display/shader/data/map.h

@@ -15,7 +15,7 @@
 typedef struct {
   uvec4_t tileIds[OVERWORLD_TILE_COUNT_MAX / MAP_TILE_PACK_SIZE];
   uint_t mapSize;
-  uvec3_t _padding0;
+  uvec3_t _p0;
 } mapdata_t;
 
 extern shaderbuffer_t MAP_BUFFER;

src/duskgl/display/shader/data/transforms.c

@@ -35,8 +35,8 @@ void transformsUpdate() {
   );
 
   glm_lookat(
-    (vec3){ 300, 300, 300 },
-    (vec3){ 0, 0, 0 },
+    (vec3){ 0, 0, 300 },
+    (vec3){ 0, 32, 0 },
     (vec3){ 0, 1, 0 },
     TRANSFORMS_DATA.view
   );