The GtkRadiant sources as originally released under the GPL license.

tools/quake2/qdata_heretic2/qcommon/fmodel.h

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+/*
+Copyright (C) 1999-2006 Id Software, Inc. and contributors.
+For a list of contributors, see the accompanying CONTRIBUTORS file.
+
+This file is part of GtkRadiant.
+
+GtkRadiant 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.
+
+GtkRadiant 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 GtkRadiant; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+
+/*
+========================================================================
+
+.FM triangle flexible model file format
+
+========================================================================
+*/
+
+#ifndef __FMODEL_HEADER
+#define __FMODEL_HEADER
+
+#include "bspfile.h"
+
+//typedef unsigned char 		byte;
+//typedef int	qboolean;
+//typedef float vec3_t[3];
+
+#define	MAX_FM_TRIANGLES	2048
+#define MAX_FM_VERTS		2048
+#define MAX_FM_FRAMES		2048
+#define MAX_FM_SKINS		64
+#define	MAX_FM_SKINNAME		64
+#define MAX_FM_MESH_NODES	16		// also defined in game/qshared.h
+
+
+#define DTRIVERTX_V0   0
+#define DTRIVERTX_V1   1
+#define DTRIVERTX_V2   2
+#define DTRIVERTX_LNI  3
+#define DTRIVERTX_SIZE 4
+
+#define SKINPAGE_WIDTH 640
+#define SKINPAGE_HEIGHT 480
+
+#define ENCODED_WIDTH_X 92
+#define ENCODED_WIDTH_Y 475
+#define ENCODED_HEIGHT_X 128
+#define ENCODED_HEIGHT_Y 475
+
+#define SCALE_ADJUST_FACTOR 0.96
+
+#define INFO_HEIGHT 5
+#define INFO_Y (SKINPAGE_HEIGHT-INFO_HEIGHT)
+
+extern byte		*BasePalette;
+extern byte		*BasePixels,*TransPixels;
+extern int		BaseWidth, BaseHeight, TransWidth, TransHeight;
+extern int ScaleWidth, ScaleHeight;
+
+int ExtractNumber(byte *pic, int x, int y);
+void DrawTextChar(int x, int y, char *text);
+void DrawLine(int x1, int y1, int x2, int y2);
+
+// the glcmd format:
+// a positive integer starts a tristrip command, followed by that many
+// vertex structures.
+// a negative integer starts a trifan command, followed by -x vertexes
+// a zero indicates the end of the command list.
+// a vertex consists of a floating point s, a floating point t,
+// and an integer vertex index.
+
+
+// Initial Header
+#define FM_HEADER_NAME	"header"
+#define FM_HEADER_VER	2
+
+typedef struct
+{
+	int			skinwidth;
+	int			skinheight;
+	int			framesize;		// byte size of each frame
+
+	int			num_skins;
+	int			num_xyz;
+	int			num_st;			// greater than num_xyz for seams
+	int			num_tris;
+	int			num_glcmds;		// dwords in strip/fan command list
+	int			num_frames;
+	int			num_mesh_nodes;
+} fmheader_t;
+
+
+// Skin Header
+#define FM_SKIN_NAME	"skin"
+#define FM_SKIN_VER		1
+
+
+// ST Coord Header
+#define FM_ST_NAME		"st coord"
+#define FM_ST_VER		1
+
+typedef struct
+{
+	short	s;
+	short	t;
+} fmstvert_t;
+
+
+// Tri Header
+#define FM_TRI_NAME		"tris"
+#define FM_TRI_VER		1
+
+typedef struct 
+{
+	short	index_xyz[3];
+	short	index_st[3];
+} fmtriangle_t;
+
+
+// Frame Header
+#define FM_FRAME_NAME	"frames"
+#define FM_FRAME_VER	1
+
+// Frame for compression, just the names
+#define FM_SHORT_FRAME_NAME	"short frames"
+#define FM_SHORT_FRAME_VER	1
+
+// Normals for compressed frames
+#define FM_NORMAL_NAME	"normals"
+#define FM_NORMAL_VER	1
+
+// Compressed Frame Data
+#define FM_COMP_NAME	"comp data"
+#define FM_COMP_VER	1
+
+// GL Cmds Header
+#define FM_GLCMDS_NAME	"glcmds"
+#define FM_GLCMDS_VER	1
+
+
+// Mesh Nodes Header
+#define FM_MESH_NAME	"mesh nodes"
+#define FM_MESH_VER		3
+
+// Skeleton Header
+#define FM_SKELETON_NAME "skeleton"
+#define FM_SKELETON_VER	1
+
+// References Header
+#define FM_REFERENCES_NAME "references"
+#define FM_REFERENCES_VER	1
+
+typedef struct
+{
+
+	union
+	{
+
+	byte	tris[MAX_FM_TRIANGLES>>3];
+
+	struct {
+	short	*triIndicies;
+	int		num_tris;
+	};
+
+	};
+
+	byte	verts[MAX_FM_VERTS>>3];
+	short	start_glcmds, num_glcmds;
+} fmmeshnode_t;
+
+//=================================================================
+
+// Frame info
+typedef struct
+{
+	byte	v[3];			// scaled byte to fit in frame mins/maxs
+	byte	lightnormalindex;
+} fmtrivertx_t;
+
+typedef struct
+{
+	float			scale[3];		// multiply byte verts by this
+	float			translate[3];	// then add this
+	char			name[16];		// frame name from grabbing
+	fmtrivertx_t	verts[1];		// variable sized
+} fmaliasframe_t;
+
+
+#endif // #define __FMODEL_HEADER