Tile rework and shader fun

src/hue_shift.fs

@@ -0,0 +1,43 @@
+#version 330
+
+// Input from vertex shader
+in vec2 fragTexCoord;
+in vec4 fragColor;
+
+// Output to the screen
+out vec4 finalColor; 
+
+uniform sampler2D texture0;
+uniform float hueShift;
+
+// RGB to HSV conversion
+vec3 rgb2hsv(vec3 c) {
+    vec4 K = vec4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0);
+    vec4 p = mix(vec4(c.bg, K.wz), vec4(c.gb, K.xy), step(c.b, c.g));
+    vec4 q = mix(vec4(p.xyw, c.r), vec4(c.r, p.yzx), step(p.x, c.r));
+    float d = q.x - min(q.w, q.y);
+    float e = 1.0e-10;
+    return vec3(abs(q.z + (q.w - q.y) / (6.0 * d + e)), d / (q.x + e), q.x);
+}
+
+// HSV to RGB conversion
+vec3 hsv2rgb(vec3 c) {
+    vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);
+    vec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www);
+    return c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y);
+}
+
+void main() {
+    // Standard Raylib texture lookup
+    vec4 texelColor = texture(texture0, fragTexCoord) * fragColor;
+    
+    // Convert to HSV
+    vec3 hsv = rgb2hsv(texelColor.rgb);
+    
+    // Shift the Hue (hsv.x) and wrap it around 1.0 using fract()
+    hsv.x = fract(hsv.x + hueShift);
+    
+    // Convert back to RGB and output
+    vec3 rgb = hsv2rgb(hsv);
+    finalColor = vec4(rgb, texelColor.a);
+}

src/main.odin

@@ -4,8 +4,10 @@ import "core:fmt"
 import "core:strings"
 import "vendor:raylib"
 
-delta: f32
+shader: raylib.Shader
+hue_loc: i32
 
+delta: f32
 player: Player
 
 main :: proc() {
@@ -25,6 +27,12 @@ main :: proc() {
 	init_world()
 	defer deinit_world()
 
+	// Test shader stuff
+	shader = raylib.LoadShader(nil, "hue_shift.fs")
+	hue_loc = raylib.GetShaderLocation(shader, "hueShift")
+	shift_value: f32 = 0.4
+	raylib.SetShaderValue(shader, hue_loc, &shift_value, .FLOAT)
+
 	player = {
 		position = {300, 300},
 		camera = {

src/tile.odin

@@ -34,55 +34,6 @@ InteractionType :: enum {
 	EXAMINE,
 }
 
-nothing_tile := Tile {
-	type        = .NOTHING,
-	frame_index = 0,
-	interaction = .NONE,
-	resource    = .NONE,
-	animator    = nil,
-}
-
-ground_tile := Tile {
-	type        = .GROUND,
-	frame_index = 0,
-	interaction = .NONE,
-	resource    = .NONE,
-	animator    = nil,
-}
-
-test_wall_tile := Tile {
-	type        = .WALL,
-	frame_index = 5,
-	interaction = .NONE,
-	resource    = .NONE,
-	animator    = nil,
-}
-
-plant_tile := Tile {
-	type        = .FLORA,
-	frame_index = 0,
-	interaction = .HARVEST,
-	resource    = .FLORA,
-	animator    = nil,
-}
-
-plant_2_tile := Tile {
-	type        = .FLORA,
-	frame_index = 1,
-	interaction = .HARVEST,
-	resource    = .FLORA,
-	animator    = nil,
-}
-
-plant_3_tile := Tile {
-	type        = .FLORA,
-	frame_index = 2,
-	interaction = .HARVEST,
-	resource    = .FLORA,
-	animator    = nil,
-}
-
-
 draw_tile :: proc(
 	tilemap_sheet: ^TilemapSpritesheet,
 	tile: ^Tile,

src/tile_definitions.odin

@@ -0,0 +1,129 @@
+package main
+
+Ground_Tile_ID :: enum {
+	NOTHING,
+	GROUND,
+	WALL,
+}
+
+Interactive_Tile_ID :: enum {
+	PEPE_1,
+	PEPE_2,
+	PEPE_3,
+	FLOWER_1,
+	FLOWER_2,
+	FLOWER_3,
+	MINERAL_1,
+	MINERAL_2,
+	MINERAL_3,
+	MINERAL_4,
+	MINERAL_5,
+	MINERAL_6,
+}
+
+
+GROUND_TILES_MAP := [Ground_Tile_ID]Tile {
+	.NOTHING = {
+		type = .NOTHING,
+		frame_index = 0,
+		interaction = .NONE,
+		resource = .NONE,
+		animator = nil,
+	},
+	.GROUND = {
+		type = .GROUND,
+		frame_index = 0,
+		interaction = .NONE,
+		resource = .NONE,
+		animator = nil,
+	},
+	.WALL = {type = .WALL, frame_index = 5, interaction = .NONE, resource = .NONE, animator = nil},
+}
+
+INTERACTIVE_TILES_MAP := [Interactive_Tile_ID]Tile {
+	.PEPE_1 = {
+		type = .FLORA,
+		frame_index = 0,
+		interaction = .HARVEST,
+		resource = .FLORA,
+		animator = nil,
+	},
+	.PEPE_2 = {
+		type = .FLORA,
+		frame_index = 1,
+		interaction = .HARVEST,
+		resource = .FLORA,
+		animator = nil,
+	},
+	.PEPE_3 = {
+		type = .FLORA,
+		frame_index = 2,
+		interaction = .HARVEST,
+		resource = .FLORA,
+		animator = nil,
+	},
+	.FLOWER_1 = {
+		type = .FLORA,
+		frame_index = 3,
+		interaction = .HARVEST,
+		resource = .FLORA,
+		animator = nil,
+	},
+	.FLOWER_2 = {
+		type = .FLORA,
+		frame_index = 4,
+		interaction = .HARVEST,
+		resource = .FLORA,
+		animator = nil,
+	},
+	.FLOWER_3 = {
+		type = .FLORA,
+		frame_index = 5,
+		interaction = .HARVEST,
+		resource = .FLORA,
+		animator = nil,
+	},
+	.MINERAL_1 = {
+		type = .FLORA,
+		frame_index = 6,
+		interaction = .HARVEST,
+		resource = .FLORA,
+		animator = nil,
+	},
+	.MINERAL_2 = {
+		type = .FLORA,
+		frame_index = 7,
+		interaction = .HARVEST,
+		resource = .FLORA,
+		animator = nil,
+	},
+	.MINERAL_3 = {
+		type = .FLORA,
+		frame_index = 8,
+		interaction = .HARVEST,
+		resource = .FLORA,
+		animator = nil,
+	},
+	.MINERAL_4 = {
+		type = .FLORA,
+		frame_index = 9,
+		interaction = .HARVEST,
+		resource = .FLORA,
+		animator = nil,
+	},
+	.MINERAL_5 = {
+		type = .FLORA,
+		frame_index = 10,
+		interaction = .HARVEST,
+		resource = .FLORA,
+		animator = nil,
+	},
+	.MINERAL_6 = {
+		type = .FLORA,
+		frame_index = 11,
+		interaction = .HARVEST,
+		resource = .FLORA,
+		animator = nil,
+	},
+}
+