VERSIÓ 1.3

- [NEW] shader.init(), shader.enable i shader.disable
- [NEW] Deixe els shaders de Lynx i GBC de exemple.
- [NEW] file_getfilebuffer() ara soporta un tercer paràmetre opcional, per a 'zeroterminar' el buffer per si es un arxiu de text.

data/basic.glsl

@@ -1,32 +0,0 @@
-varying vec2 TEX0;
-
-#if defined(VERTEX)
-
-void main()
-{
-	TEX0 = vec2(gl_MultiTexCoord0.x, 1.0-gl_MultiTexCoord0.y)*1.0001;
-	gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
-}
-
-#elif defined(FRAGMENT)
-
-uniform sampler2D Texture;
-
-void main()
-{
-	vec2 winsize = vec2(640.0,480.0);
-	vec2 pixpos = TEX0 * winsize;
-	float y = floor(pixpos.y);
-	if (mod(y,4.0) == 0.0)
-	{
-		vec4 color = texture2D(Texture, TEX0);
-		vec4 blend = vec4(0.8, 0.8, 0.8, 1.0);
-		gl_FragColor = color * blend;
-	}
-	else
-	{
-		gl_FragColor = texture2D(Texture, TEX0);
-	}
-}
-
-#endif

data/game.ini

@@ -1,5 +1,5 @@
-title=HOLA MINI
-config=minitest
+title=PAKU SIMBEL PROFANATION
+config=paku
 width=160
-height=120
-zoom=3
+height=144
+zoom=4

data/gbc.glsl

@@ -0,0 +1,38 @@
+varying vec2 tex_coord;
+varying vec2 pix_coord;
+
+#if defined(VERTEX)
+
+void main()
+{
+	pix_coord = vec2(gl_MultiTexCoord0.x, 1.0-gl_MultiTexCoord0.y)*1.0001;
+	tex_coord = vec2((gl_Vertex.x+1.0)*0.5, (-gl_Vertex.y+1.0)*0.5);
+	vec4 pos = vec4(gl_Vertex.x * 2.0, gl_Vertex.y * 2.0, gl_Vertex.z, gl_Vertex.w);
+	gl_Position = gl_Vertex; //(gl_Vertex*2)-vec3(1.0, 1.0, 1.0);//gl_ModelViewProjectionMatrix * gl_Vertex;
+}
+
+#elif defined(FRAGMENT)
+
+uniform sampler2D Texture;
+
+void main()
+{
+	float x = sign(pix_coord.x)*floor(abs(pix_coord.x)+0.5);
+	float y = sign(pix_coord.y)*floor(abs(pix_coord.y)+0.5);
+	float column = mod(x,4.0);
+	float row = mod(y,4.0);
+	vec4 color = texture2D(Texture, tex_coord);
+	vec4 newcolor;
+	if ((column == 0.0) || (row == 0.0) ) {
+		newcolor = color * vec4(0.4, 0.4, 0.4, 1.0);
+	} else if ((column == 1.0) || (row == 1.0) ) {
+		newcolor = color * vec4(0.6, 0.7, 0.8, 1.0);
+	} else if ((column == 3.0) || (row == 3.0) ) {
+		newcolor = color * vec4(0.8, 0.7, 0.6, 1.0);
+	} else {
+		newcolor = color;
+	}
+	gl_FragColor = newcolor;
+}
+
+#endif

data/lynx.glsl

@@ -0,0 +1,37 @@
+varying vec2 tex_coord;
+varying vec2 pix_coord;
+
+#if defined(VERTEX)
+
+void main()
+{
+	pix_coord = vec2(gl_MultiTexCoord0.x, 1.0-gl_MultiTexCoord0.y)*1.0001;
+	tex_coord = vec2((gl_Vertex.x+1.0)*0.5, (-gl_Vertex.y+1.0)*0.5);
+	vec4 pos = vec4(gl_Vertex.x * 2.0, gl_Vertex.y * 2.0, gl_Vertex.z, gl_Vertex.w);
+	gl_Position = gl_Vertex; //(gl_Vertex*2)-vec3(1.0, 1.0, 1.0);//gl_ModelViewProjectionMatrix * gl_Vertex;
+}
+
+#elif defined(FRAGMENT)
+
+uniform sampler2D Texture;
+
+void main()
+{
+	float x = sign(pix_coord.x)*floor(abs(pix_coord.x)+0.5);
+	float column = mod(x,4.0);
+	vec4 color = texture2D(Texture, tex_coord);
+	color = color + vec4(0.5, 0.5, 0.5, 0.0) * (1.0-tex_coord.t);
+	vec4 newcolor;
+	if (column == 0.0) {
+		newcolor = color * vec4(1.0, 0.4, 0.6, 1.0);
+	} else if (column == 1.0) {
+		newcolor = color * vec4(0.4, 1.0, 0.4, 1.0);
+	} else if (column == 2.0) {
+		newcolor = color * vec4(0.6, 0.4, 1.0, 1.0);
+	} else {
+		newcolor = color * vec4(0.2, 0.2, 0.2, 1.0);
+	}
+	gl_FragColor = newcolor;
+}
+
+#endif

data/main.lua

@@ -3,16 +3,30 @@ other = require "other"
 x=0
 
 function mini.init()
-    s = surf.load("tiles01.gif")
+    s = surf.load("logo.gif")
     surf.source(s)
-    p = pal.load("tiles01.gif")
+    p = pal.load("logo.gif")
     pal.set(p)
     pal.trans(255)
 end
 
 function mini.update()
-    surf.cls(1)
-    draw.surf(0, 0, 64, 64, 10, 10)
-    if key.down(key.ESCAPE) then sys.quit() end
-    draw.text(sys.fps(), 0, 0, 4)
+    surf.cls(0)
+    draw.surf(0, 0, 160, 144, 0, 0)
+
+    draw.text("PRESS START", 60, 110, 28)
+    if key.press(key.ESCAPE) then sys.quit() end
+    draw.text(sys.fps(), 1, 1, 28)
+
+    if key.press(key.N1) then
+        shader.init("lynx.glsl")
+        shader.enable()
+    end
+    if key.press(key.N2) then
+        shader.init("gbc.glsl")
+        shader.enable()
+    end
+    if key.press(key.N3) then
+        shader.disable()
+    end
 end