1 /* ResidualVM - A 3D game interpreter
2  *
3  * ResidualVM is the legal property of its developers, whose names
4  * are too numerous to list here. Please refer to the AUTHORS
5  * file distributed with this source distribution.
6  *
7  * Additional copyright for this file:
8  * Copyright (C) 1999-2000 Revolution Software Ltd.
9  * This code is based on source code created by Revolution Software,
10  * used with permission.
11  *
12  * This program is free software; you can redistribute it and/or
13  * modify it under the terms of the GNU General Public License
14  * as published by the Free Software Foundation; either version 2
15  * of the License, or (at your option) any later version.
16  *
17  * This program is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20  * GNU General Public License for more details.
21  *
22  * You should have received a copy of the GNU General Public License
23  * along with this program; if not, write to the Free Software
24  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
25  *
26  */
27 
28 #ifndef ICB_PSX_TMAN_H
29 #define ICB_PSX_TMAN_H
30 
31 #include "engines/icb/gfx/psx_pcgpu.h"
32 
33 namespace ICB {
34 
35 #define MAX_NUMBER_SLOTS 8
36 #define MAX_NUMBER_PALETTES 10
37 
38 #define N_TILES_X 4
39 #define N_TILES_Y 4
40 
41 #define MAX_NUMBER_TILES (N_TILES_X * N_TILES_Y)
42 
43 typedef struct TextureInfo {
44 	// DO NOT CHANGE THIS SECTION OF THE STRUCTURE
45 	// AS PSX ASSMEBLER ROUTINES RELY ON IT BEING LIKE THIS
46 	int16 tsb; // tpf | abr | texture_page  = getTpate( tpf, abr, x, y );
47 	int16 cba; // cy | cx = getClut(cx,cy)
48 	uint8 uoffset;
49 	uint8 voffset;
50 	int16 padding;
51 	// DO WHAT YOU LIKE FROM HERE ONWARDS
52 	uint32 id;
53 	uint32 age;
54 	RECT16 r;
55 } TextureInfo;
56 
57 typedef struct PaletteInfo {
58 	uint32 id;
59 	uint32 age;
60 	int16 x;
61 	int16 y;
62 	int16 cba; // cy | cx = getClut(cx,cy)
63 	int16 padding;
64 } PaletteInfo;
65 
66 class TextureManager {
67 public:
68 	TextureManager();
69 	TextureManager(int16 nx0, int16 ny0, int16 nx1, int16 ny1);
70 	~TextureManager();
71 	void Init(int16 nx0, int16 ny0, int16 nx1, int16 ny1);
72 	TextureInfo *FindTexture(uint32 id, uint32 age);
73 	TextureInfo *AddTexture(uint32 *tim_ptr, uint32 id, uint32 age, uint16 imgW, uint16 imgH);
74 
75 	PaletteInfo *FindPalette(uint32 id, uint32 age);
76 	PaletteInfo *AddPalette(uint32 *clut_ptr, uint32 id, uint32 age);
77 
78 	void PurgeAll(void);
79 
80 	TextureInfo tSlots[MAX_NUMBER_SLOTS];
81 	PaletteInfo pSlots[MAX_NUMBER_PALETTES];
82 	uint8 inuse[MAX_NUMBER_TILES];
83 	int16 x0, y0;
84 	int16 x1, y1;
85 	uint16 tileW, tileH;
86 	uint32 nSlotsUsed;
87 	uint32 nPalettesUsed;
88 };
89 
90 } // End of namespace ICB
91 
92 #endif // #ifndef PSX_TMAN_H
93