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https://github.com/kevinbentley/Descent3.git
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59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
/*
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* Descent 3
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* Copyright (C) 2024 Parallax Software
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef BUMPMAP_H
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#define BUMPMAP_H
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#include "pstypes.h"
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#define MAX_BUMPMAPS 500
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#define BAD_BUMP_INDEX 65535
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#define BUMPF_USED 1
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#define BUMPF_CHANGED 2
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struct bms_bumpmap {
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uint16_t *data; // 8bit data
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int16_t cache_slot; // for the renderers use
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uint8_t width, height;
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uint8_t flags, pad;
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};
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extern bms_bumpmap GameBumpmaps[MAX_BUMPMAPS];
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// Sets all the bumpmaps to unused
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void bump_InitBumpmaps();
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void bump_ShutdownBumpmaps(void);
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// Allocs a bumpmap of BUMP_WIDTH * BUMP_HEIGHT size
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// Returns bumpmap handle if successful, -1 if otherwise
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int bump_AllocBumpmap(int w, int h);
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// Given a handle, frees the bumpmap memory and flags this bumpmap as unused
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void bump_FreeBumpmap(int handle);
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// returns a bumpmaps data else NULL if something is wrong
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uint16_t *bump_data(int handle);
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// returns width or height of the passed in bumpmap
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uint8_t bump_w(int handle);
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uint8_t bump_h(int handle);
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#endif
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