Initial

shaders/NPC Shader.gdshader

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+shader_type spatial;
+render_mode cull_disabled;
+
+uniform sampler2D npcTexture : filter_nearest;
+uniform int frame;
+uniform int direction;
+
+const int FRAMES = 3;
+const int DIRECTIONS = 4;
+//const bool BILLBOARD_ROTATION_LOCK = false;
+
+void vertex() {
+	//if(BILLBOARD_ROTATION_LOCK) {
+	    //mat4 modified_model_view = VIEW_MATRIX * mat4(
+	        //INV_VIEW_MATRIX[0],
+	        //INV_VIEW_MATRIX[1],
+	        //INV_VIEW_MATRIX[2],
+	        //MODEL_MATRIX[3]
+	    //);
+	    //MODELVIEW_MATRIX = modified_model_view;
+	//} else {
+	    //mat4 modified_model_view = VIEW_MATRIX * mat4(
+	        //INV_VIEW_MATRIX[0],
+	        //MODEL_MATRIX[1],
+	        //MODEL_MATRIX[2],
+	        //MODEL_MATRIX[3]
+	    //);
+	    //MODELVIEW_MATRIX = modified_model_view;
+	//}
+
+	vec2 tileSize = vec2(1.0 / float(FRAMES), 1.0 / float(DIRECTIONS));
+	vec2 topLeft = tileSize * vec2(float(frame % FRAMES), float(direction % DIRECTIONS));
+	vec2 bottomRight = topLeft + tileSize;
+
+	if(VERTEX_ID == 3) {
+		UV = topLeft;
+	} else if(VERTEX_ID == 2) {
+		UV = vec2(bottomRight.x, topLeft.y);
+	} else if(VERTEX_ID == 1) {
+		UV = vec2(topLeft.x, bottomRight.y);
+	} else if(VERTEX_ID == 0) {
+		UV = bottomRight;
+	}
+}
+
+void fragment() {
+	vec4 npcColor = texture(npcTexture, UV);
+
+	// Remove PINK background
+	if(npcColor.r == 1.0 && npcColor.g == 0.0 && npcColor.b == 1.0)
+		discard;
+
+	// Remove GREEN borders
+	if(npcColor.r == 0.00392156862745 && npcColor.g == 1.0 && npcColor.b == 0.0)
+		discard;
+
+	ALBEDO.rgb = npcColor.rgb;
+}