Fixed packed map shader.

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

@@ -6,32 +6,37 @@
  */
 
 #include "map.h"
+#include "assert/assert.h"
 #include "util/memory.h"
 
 shaderbuffer_t MAP_BUFFER;
 mapdata_t MAP_DATA;
 
 void mapInit() {
-  memset(&MAP_DATA, 0, sizeof(mapdata_t));
+  memoryZero(&MAP_DATA, sizeof(mapdata_t));
   shaderBufferInit(&MAP_BUFFER, sizeof(mapdata_t));
+
+  assertTrue(
+    sizeof(MAP_DATA.tileIds) == sizeof(OVERWORLD.tileIds),
+    "Map shader tile data and Overworld tile data are not the same size."
+  );
 }
 
 void mapUpdate() {
+  // Copy tile ids.
+  memoryCopyRangeSafe(
+    &MAP_DATA.tileIds,
+    &OVERWORLD.tileIds[0],
+    &OVERWORLD.tileIds[OVERWORLD.mapWidth * OVERWORLD.mapHeight],
+    sizeof(MAP_DATA.tileIds)
+  );
 
   // Copy map size.
   memoryCopyRangeSafe(
     &MAP_DATA.mapSize,
     &OVERWORLD.mapWidth,
     &OVERWORLD.mapHeight + sizeof(uint8_t),
-    sizeof(uint_t)
-  );
-
-  // Copy tile ids.
-  memoryCopyRangeSafe(
-    &MAP_DATA.tileIds,
-    &OVERWORLD.tileIds[0],
-    &OVERWORLD.tileIds[OVERWORLD.mapWidth * OVERWORLD.mapHeight],
-    OVERWORLD_TILE_COUNT_MAX * sizeof(tileid_t)
+    sizeof(MAP_DATA.mapSize)
   );
   
   shaderBufferBind(&MAP_BUFFER);

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

@@ -7,17 +7,9 @@
 #include "../fragments/packed.glsl"
 #include "../fragments/quad.glsl"
 
-#define MAP_PACKED_SIZE 4
-
-struct TileData {
-  uint nothing;
-  uvec3 _padding0;
-};
-
 layout(std140) uniform b_Map {
+  uvec4 mapTileIds[OVERWORLD_TILE_COUNT_MAX / PACKED_U8_PER_UVEC4];
   uint mapSize;
-  uint mapTileIds[OVERWORLD_TILE_COUNT_MAX / MAP_PACKED_SIZE];
-  TileData mapTileData[OVERWORLD_TILE_COUNT_MAX];
   uvec3 _padding0;
 };
 

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

@@ -10,19 +10,12 @@
 #include "overworld/overworld.h"
 
 #define MAP_BLOCK_NAME "b_Map"
-#define MAP_PACKED_SIZE 4
-
-typedef struct {
-  uint32_t nothing;
-  uvec3_t _padding0;
-} maptiledata_t;
+#define MAP_TILE_PACK_SIZE sizeof(uvec4_t) / sizeof(tileid_t)
 
 typedef struct {
+  uvec4_t tileIds[OVERWORLD_TILE_COUNT_MAX / MAP_TILE_PACK_SIZE];
   uint_t mapSize;
   uvec3_t _padding0;
-
-  uint32_t tileIds[OVERWORLD_TILE_COUNT_MAX / MAP_PACKED_SIZE];
-  maptiledata_t tileData[OVERWORLD_TILE_COUNT_MAX];
 } mapdata_t;
 
 extern shaderbuffer_t MAP_BUFFER;