initial import of the lwjgl Renderer from David Sanders

1 files changed, 274 insertions, 0 deletions

diff --git a/src/jake2/render/lwjgl/Misc.java b/src/jake2/render/lwjgl/Misc.java
new file mode 100644
index 0000000..a9ec66d
--- /dev/null
+++ b/src/jake2/render/lwjgl/Misc.java
@@ -0,0 +1,274 @@
+/*
+ * Misc.java
+ * Copyright (C) 2003
+ *
+ * $Id: Misc.java,v 1.2 2004-12-14 12:56:59 cawe Exp $
+ */
+/*
+Copyright (C) 1997-2001 Id Software, Inc.
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+package jake2.render.lwjgl;
+
+import jake2.Defines;
+import jake2.client.VID;
+
+import java.nio.FloatBuffer;
+
+import org.lwjgl.BufferUtils;
+import org.lwjgl.opengl.EXTPointParameters;
+import org.lwjgl.opengl.EXTSharedTexturePalette;
+import org.lwjgl.opengl.GL11;
+
+/**
+ * Misc
+ *  
+ * @author cwei
+ */
+public abstract class Misc extends Mesh {
+
+	/*
+	==================
+	R_InitParticleTexture
+	==================
+	*/
+	byte[][] dottexture =
+	{
+		{0,0,0,0,0,0,0,0},
+		{0,0,1,1,0,0,0,0},
+		{0,1,1,1,1,0,0,0},
+		{0,1,1,1,1,0,0,0},
+		{0,0,1,1,0,0,0,0},
+		{0,0,0,0,0,0,0,0},
+		{0,0,0,0,0,0,0,0},
+		{0,0,0,0,0,0,0,0},
+	};
+
+	void R_InitParticleTexture()
+	{
+		int		x,y;
+		byte[] data = new byte[8 * 8 * 4];
+
+		//
+		// particle texture
+		//
+		for (x=0 ; x<8 ; x++)
+		{
+			for (y=0 ; y<8 ; y++)
+			{
+				data[y * 32 + x * 4 + 0] = (byte)255;
+				data[y * 32 + x * 4 + 1] = (byte)255;
+				data[y * 32 + x * 4 + 2] = (byte)255;
+				data[y * 32 + x * 4 + 3] = (byte)(dottexture[x][y]*255);
+
+			}
+		}
+		r_particletexture = GL_LoadPic("***particle***", data, 8, 8, it_sprite, 32);
+
+		//
+		// also use this for bad textures, but without alpha
+		//
+		for (x=0 ; x<8 ; x++)
+		{
+			for (y=0 ; y<8 ; y++)
+			{
+				data[y * 32 + x * 4 + 0] = (byte)(dottexture[x&3][y&3]*255);
+				data[y * 32 + x * 4 + 1] = 0; // dottexture[x&3][y&3]*255;
+				data[y * 32 + x * 4 + 2] = 0; //dottexture[x&3][y&3]*255;
+				data[y * 32 + x * 4 + 3] = (byte)255;
+			}
+		}
+		r_notexture = GL_LoadPic("***r_notexture***", data, 8, 8, it_wall, 32);
+	}
+
+
+//	/* 
+//	============================================================================== 
+// 
+//							SCREEN SHOTS 
+// 
+//	============================================================================== 
+//	*/ 
+//
+//	typedef struct _TargaHeader {
+//		unsigned char 	id_length, colormap_type, image_type;
+//		unsigned short	colormap_index, colormap_length;
+//		unsigned char	colormap_size;
+//		unsigned short	x_origin, y_origin, width, height;
+//		unsigned char	pixel_size, attributes;
+//	} TargaHeader;
+
+
+	/* 
+	================== 
+	GL_ScreenShot_f
+	================== 
+	*/  
+	void GL_ScreenShot_f() 
+	{
+//		byte		*buffer;
+//		char		picname[80]; 
+//		char		checkname[MAX_OSPATH];
+//		int			i, c, temp;
+//		FILE		*f;
+//
+//		// create the scrnshots directory if it doesn't exist
+//		Com_sprintf (checkname, sizeof(checkname), "%s/scrnshot", ri.FS_Gamedir());
+//		Sys_Mkdir (checkname);
+//
+//// 
+////	   find a file name to save it to 
+//// 
+//		strcpy(picname,"quake00.tga");
+//
+//		for (i=0 ; i<=99 ; i++) 
+//		{ 
+//			picname[5] = i/10 + '0'; 
+//			picname[6] = i%10 + '0'; 
+//			Com_sprintf (checkname, sizeof(checkname), "%s/scrnshot/%s", ri.FS_Gamedir(), picname);
+//			f = fopen (checkname, "r");
+//			if (!f)
+//				break;	// file doesn't exist
+//			fclose (f);
+//		} 
+//		if (i==100) 
+//		{
+//			VID.Printf (PRINT_ALL, "SCR_ScreenShot_f: Couldn't create a file\n"); 
+//			return;
+//		}
+//
+//
+//		buffer = malloc(vid.width*vid.height*3 + 18);
+//		memset (buffer, 0, 18);
+//		buffer[2] = 2;		// uncompressed type
+//		buffer[12] = vid.width&255;
+//		buffer[13] = vid.width>>8;
+//		buffer[14] = vid.height&255;
+//		buffer[15] = vid.height>>8;
+//		buffer[16] = 24;	// pixel size
+//
+//		qglReadPixels (0, 0, vid.width, vid.height, GL_RGB, GL_UNSIGNED_BYTE, buffer+18 ); 
+//
+//		// swap rgb to bgr
+//		c = 18+vid.width*vid.height*3;
+//		for (i=18 ; i<c ; i+=3)
+//		{
+//			temp = buffer[i];
+//			buffer[i] = buffer[i+2];
+//			buffer[i+2] = temp;
+//		}
+//
+//		f = fopen (checkname, "rw");
+//		fwrite (buffer, 1, c, f);
+//		fclose (f);
+//
+//		free (buffer);
+//		VID.Printf (PRINT_ALL, "Wrote %s\n", picname);
+	} 
+
+	/*
+	** GL_Strings_f
+	*/
+	void GL_Strings_f()	{
+		VID.Printf(Defines.PRINT_ALL, "GL_VENDOR: " + gl_config.vendor_string + '\n');
+		VID.Printf(Defines.PRINT_ALL, "GL_RENDERER: " + gl_config.renderer_string + '\n');
+		VID.Printf(Defines.PRINT_ALL, "GL_VERSION: " + gl_config.version_string + '\n');
+		VID.Printf(Defines.PRINT_ALL, "GL_EXTENSIONS: " + gl_config.extensions_string + '\n');
+	}
+
+	/*
+	** GL_SetDefaultState
+	*/
+	void GL_SetDefaultState()
+	{
+		gl.glClearColor(1f,0f, 0.5f , 0.5f); // original quake2
+		//gl.glClearColor(0, 0, 0, 0); // replaced with black
+		gl.glCullFace(GL11.GL_FRONT);
+		gl.glEnable(GL11.GL_TEXTURE_2D);
+
+		gl.glEnable(GL11.GL_ALPHA_TEST);
+		gl.glAlphaFunc(GL11.GL_GREATER, 0.666f);
+
+		gl.glDisable (GL11.GL_DEPTH_TEST);
+		gl.glDisable (GL11.GL_CULL_FACE);
+		gl.glDisable (GL11.GL_BLEND);
+
+		gl.glColor4f (1,1,1,1);
+
+		gl.glPolygonMode (GL11.GL_FRONT_AND_BACK, GL11.GL_FILL);
+		gl.glShadeModel (GL11.GL_FLAT);
+
+		GL_TextureMode( gl_texturemode.string );
+		GL_TextureAlphaMode( gl_texturealphamode.string );
+		GL_TextureSolidMode( gl_texturesolidmode.string );
+
+		gl.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, gl_filter_min);
+		gl.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, gl_filter_max);
+
+		gl.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL11.GL_REPEAT);
+		gl.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL11.GL_REPEAT);
+
+		gl.glBlendFunc (GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
+
+		GL_TexEnv( GL11.GL_REPLACE );
+
+		if ( qglPointParameterfEXT )
+		{
+			// float[] attenuations = { gl_particle_att_a.value, gl_particle_att_b.value, gl_particle_att_c.value };
+			FloatBuffer att_buffer=BufferUtils.createFloatBuffer(4);
+			att_buffer.put(0,gl_particle_att_a.value);
+			att_buffer.put(1,gl_particle_att_b.value);
+			att_buffer.put(2,gl_particle_att_c.value);
+			
+			gl.glEnable( GL11.GL_POINT_SMOOTH );
+			gl.glPointParameterfEXT( EXTPointParameters.GL_POINT_SIZE_MIN_EXT, gl_particle_min_size.value );
+			gl.glPointParameterfEXT( EXTPointParameters.GL_POINT_SIZE_MAX_EXT, gl_particle_max_size.value );
+			gl.glPointParameterEXT( EXTPointParameters.GL_DISTANCE_ATTENUATION_EXT, att_buffer );
+		}
+
+		if ( qglColorTableEXT && gl_ext_palettedtexture.value != 0.0f )
+		{
+			gl.glEnable( EXTSharedTexturePalette.GL_SHARED_TEXTURE_PALETTE_EXT );
+
+			GL_SetTexturePalette( d_8to24table );
+		}
+
+		GL_UpdateSwapInterval();
+		
+		/*
+		 * vertex array extension
+		 */
+		gl.glEnableClientState(GL11.GL_VERTEX_ARRAY);
+		gl.glClientActiveTextureARB(GL_TEXTURE0);
+		gl.glEnableClientState(GL11.GL_TEXTURE_COORD_ARRAY);
+	}
+
+	void GL_UpdateSwapInterval()
+	{
+		if ( gl_swapinterval.modified )
+		{
+			gl_swapinterval.modified = false;
+			if ( !gl_state.stereo_enabled ) 
+			{
+				if (qwglSwapIntervalEXT) {
+					// ((WGL)gl).wglSwapIntervalEXT((int)gl_swapinterval.value);
+				}
+			}
+		}
+	}
+}