Update #0 - First Release

sources/resources/assets/eagler/glsl/core.vsh

@@ -0,0 +1,103 @@
+#line 2
+
+/*
+ * Copyright (c) 2022 LAX1DUDE. All Rights Reserved.
+ * 
+ * WITH THE EXCEPTION OF PATCH FILES, MINIFIED JAVASCRIPT, AND ALL FILES
+ * NORMALLY FOUND IN AN UNMODIFIED MINECRAFT RESOURCE PACK, YOU ARE NOT ALLOWED
+ * TO SHARE, DISTRIBUTE, OR REPURPOSE ANY FILE USED BY OR PRODUCED BY THE
+ * SOFTWARE IN THIS REPOSITORY WITHOUT PRIOR PERMISSION FROM THE PROJECT AUTHOR.
+ * 
+ * NOT FOR COMMERCIAL OR MALICIOUS USE
+ * 
+ * (please read the 'LICENSE' file this repo's root directory for more info) 
+ * 
+ */
+
+in vec3 a_position3f;
+
+#if defined(COMPILE_ENABLE_TEX_GEN) || defined(COMPILE_ENABLE_FOG)
+#define _COMPILE_VARYING_POSITION
+#endif
+
+#ifdef _COMPILE_VARYING_POSITION
+out vec4 v_position4f;
+#endif
+
+#ifdef COMPILE_ENABLE_TEX_GEN
+out vec3 v_objectPosition3f;
+#endif
+
+#ifdef COMPILE_TEXTURE_ATTRIB
+in vec2 a_texture2f;
+out vec2 v_texture2f;
+uniform mat4 u_textureMat4f01;
+#endif
+
+#ifdef COMPILE_COLOR_ATTRIB
+in vec4 a_color4f;
+out vec4 v_color4f;
+#endif
+
+#ifdef COMPILE_NORMAL_ATTRIB
+in vec4 a_normal4f;
+out vec3 v_normal3f;
+#endif
+
+#ifdef COMPILE_LIGHTMAP_ATTRIB
+in vec2 a_lightmap2f;
+out vec2 v_lightmap2f;
+uniform mat4 u_textureMat4f02;
+#endif
+
+uniform mat4 u_modelviewMat4f;
+uniform mat4 u_projectionMat4f;
+
+void main() {
+	
+#ifdef COMPILE_ENABLE_TEX_GEN
+	v_objectPosition3f = a_position3f;
+#endif
+
+	vec4 pos = u_modelviewMat4f * vec4(a_position3f, 1.0);
+	
+#ifdef _COMPILE_VARYING_POSITION
+	v_position4f = pos;
+#endif
+
+#ifdef COMPILE_TEXTURE_ATTRIB
+	mat4x3 texMat4x3 = mat4x3(
+		u_textureMat4f01[0].xyw,
+		u_textureMat4f01[1].xyw,
+		u_textureMat4f01[2].xyw,
+		u_textureMat4f01[3].xyw
+	);
+	vec3 v_textureTmp3f = texMat4x3 * vec4(a_texture2f, 1.0, 1.0);
+	v_texture2f = v_textureTmp3f.xy / v_textureTmp3f.z;
+#endif
+	
+#ifdef COMPILE_COLOR_ATTRIB
+	v_color4f = a_color4f;
+#endif
+	
+#ifdef COMPILE_NORMAL_ATTRIB
+	v_normal3f = normalize(mat3(u_modelviewMat4f) * a_normal4f.xyz);
+#endif
+	
+#ifdef COMPILE_LIGHTMAP_ATTRIB
+#ifdef COMPILE_TEXTURE_ATTRIB
+	texMat4x3 = mat4x3(
+#else
+	mat4x3 texMat4x3 = mat4x3(
+#endif
+		u_textureMat4f02[0].xyw,
+		u_textureMat4f02[1].xyw,
+		u_textureMat4f02[2].xyw,
+		u_textureMat4f02[3].xyw
+	);
+	vec3 v_lightmapTmp3f = texMat4x3 * vec4(a_lightmap2f, 1.0, 1.0);
+	v_lightmap2f = v_lightmapTmp3f.xy / v_lightmapTmp3f.z;
+#endif
+
+	gl_Position = u_projectionMat4f * pos;
+}