278 lines
8.1 KiB
C
278 lines
8.1 KiB
C
#ifndef GRAPHICS_H
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#define GRAPHICS_H
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#include <SDL/SDL.h>
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#include "defines.h"
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#ifdef PIX16
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#define PIXELSIZE 2
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#define PIXPACK(x) ((((x)>>8)&0xF800)|(((x)>>5)&0x07E0)|(((x)>>3)&0x001F))
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#define PIXRGB(r,g,b) ((((r)<<8)&0xF800)|(((g)<<3)&0x07E0)|(((b)>>3)&0x001F))
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#define PIXR(x) (((x)>>8)&0xF8)
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#define PIXG(x) (((x)>>3)&0xFC)
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#define PIXB(x) (((x)<<3)&0xF8)
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#else
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#define PIXELSIZE 4
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#ifdef PIX32BGR
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#define PIXPACK(x) ((((x)>>16)&0x0000FF)|((x)&0x00FF00)|(((x)<<16)&0xFF0000))
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#define PIXRGB(r,g,b) (((b)<<16)|((g)<<8)|((r)))// (((b)<<16)|((g)<<8)|(r))
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#define PIXR(x) ((x)&0xFF)
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#define PIXG(x) (((x)>>8)&0xFF)
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#define PIXB(x) ((x)>>16)
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#else
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#ifdef PIX32BGRA
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#define PIXPACK(x) ((((x)>>8)&0x0000FF00)|(((x)<<8)&0x00FF0000)|(((x)<<24)&0xFF000000))
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#define PIXRGB(r,g,b) (((b)<<24)|((g)<<16)|((r)<<8))
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#define PIXR(x) (((x)>>8)&0xFF)
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#define PIXG(x) (((x)>>16)&0xFF)
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#define PIXB(x) (((x)>>24))
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#elif defined(PIX32OGL)
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#define PIXPACK(x) (0xFF000000|((x)&0xFFFFFF))
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#define PIXRGB(r,g,b) (0xFF000000|((r)<<16)|((g)<<8)|((b)))// (((b)<<16)|((g)<<8)|(r))
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#define PIXRGBA(r,g,b,a) (((a)<<24)|((r)<<16)|((g)<<8)|((b)))// (((b)<<16)|((g)<<8)|(r))
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#define PIXA(x) (((x)>>24)&0xFF)
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#define PIXR(x) (((x)>>16)&0xFF)
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#define PIXG(x) (((x)>>8)&0xFF)
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#define PIXB(x) ((x)&0xFF)
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#else
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#define PIXPACK(x) (x)
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#define PIXRGB(r,g,b) (((r)<<16)|((g)<<8)|(b))
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#define PIXR(x) ((x)>>16)
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#define PIXG(x) (((x)>>8)&0xFF)
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#define PIXB(x) ((x)&0xFF)
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#endif
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#endif
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#endif
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extern int emp_decor;
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extern unsigned cmode;
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extern SDL_Surface *sdl_scrn;
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extern int sdl_scale;
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extern int sandcolour_r;
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extern int sandcolour_g;
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extern int sandcolour_b;
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extern int sandcolour_frame;
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extern unsigned char fire_r[YRES/CELL][XRES/CELL];
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extern unsigned char fire_g[YRES/CELL][XRES/CELL];
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extern unsigned char fire_b[YRES/CELL][XRES/CELL];
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extern unsigned int fire_alpha[CELL*3][CELL*3];
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extern pixel *pers_bg;
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extern char * flm_data;
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extern int flm_data_points;
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extern pixel flm_data_colours[];
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extern float flm_data_pos[];
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extern char * plasma_data;
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extern int plasma_data_points;
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extern pixel plasma_data_colours[];
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extern float plasma_data_pos[];
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struct gcache_item
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{
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int isready;
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int pixel_mode;
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int colr, colg, colb;
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int firea, firer, fireg, fireb;
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};
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typedef struct gcache_item gcache_item;
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gcache_item *graphicscache;
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int graphics_DEFAULT(GRAPHICS_FUNC_ARGS);
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void prepare_graphicscache();
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char * generate_gradient(pixel * colours, float * points, int pointcount, int size);
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void draw_other(pixel *vid);
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void draw_rgba_image(pixel *vid, unsigned char *data, int x, int y, float a);
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void *ptif_pack(pixel *src, int w, int h, int *result_size);
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pixel *ptif_unpack(void *datain, int size, int *w, int *h);
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pixel *resample_img_nn(pixel *src, int sw, int sh, int rw, int rh);
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pixel *resample_img(pixel *src, int sw, int sh, int rw, int rh);
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pixel *rescale_img(pixel *src, int sw, int sh, int *qw, int *qh, int f);
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void render_gravlensing(pixel *src, pixel * dst);
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void sdl_blit_1(int x, int y, int w, int h, pixel *src, int pitch);
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void sdl_blit_2(int x, int y, int w, int h, pixel *src, int pitch);
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void sdl_blit(int x, int y, int w, int h, pixel *src, int pitch);
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void drawblob(pixel *vid, int x, int y, unsigned char cr, unsigned char cg, unsigned char cb);
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void draw_tool(pixel *vid_buf, int b, int sl, int sr, unsigned pc, unsigned iswall);
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int draw_tool_xy(pixel *vid_buf, int x, int y, int b, unsigned pc);
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void draw_menu(pixel *vid_buf, int i, int hover);
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void drawpixel(pixel *vid, int x, int y, int r, int g, int b, int a);
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int drawchar(pixel *vid, int x, int y, int c, int r, int g, int b, int a);
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int drawtext(pixel *vid, int x, int y, const char *s, int r, int g, int b, int a);
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int drawtext_outline(pixel *vid, int x, int y, const char *s, int r, int g, int b, int a, int or, int og, int ob, int oa);
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int drawtextwrap(pixel *vid, int x, int y, int w, const char *s, int r, int g, int b, int a);
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void drawrect(pixel *vid, int x, int y, int w, int h, int r, int g, int b, int a);
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void fillrect(pixel *vid, int x, int y, int w, int h, int r, int g, int b, int a);
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void clearrect(pixel *vid, int x, int y, int w, int h);
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void drawdots(pixel *vid, int x, int y, int h, int r, int g, int b, int a);
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int textwidth(char *s);
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int drawtextmax(pixel *vid, int x, int y, int w, char *s, int r, int g, int b, int a);
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int textnwidth(char *s, int n);
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void textnpos(char *s, int n, int w, int *cx, int *cy);
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int textwidthx(char *s, int w);
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int textposxy(char *s, int width, int w, int h);
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int textwrapheight(char *s, int width);
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void blendpixel(pixel *vid, int x, int y, int r, int g, int b, int a);
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void draw_icon(pixel *vid_buf, int x, int y, char ch, int flag);
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void draw_air(pixel *vid);
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void draw_grav_zones(pixel *vid);
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void draw_grav(pixel *vid);
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void draw_line(pixel *vid, int x1, int y1, int x2, int y2, int r, int g, int b, int a);
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void addpixel(pixel *vid, int x, int y, int r, int g, int b, int a);
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void xor_pixel(int x, int y, pixel *vid);
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void xor_line(int x1, int y1, int x2, int y2, pixel *vid);
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void xor_rect(pixel *vid, int x, int y, int w, int h);
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void blend_line(pixel *vid, int x1, int y1, int x2, int y2, int r, int g, int b, int a);
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void render_parts(pixel *vid);
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void draw_parts(pixel *vid);
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void draw_walls(pixel *vid);
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void create_decorations(int x, int y, int rx, int ry, int r, int g, int b, int click, int tool);
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void create_decoration(int x, int y, int r, int g, int b, int click, int tool);
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void line_decorations(int x1, int y1, int x2, int y2, int rx, int ry, int r, int g, int b, int click, int tool);
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void box_decorations(int x1, int y1, int x2, int y2, int r, int g, int b, int click, int tool);
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void draw_color_menu(pixel *vid_buf, int i, int hover);
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void draw_wavelengths(pixel *vid, int x, int y, int h, int wl);
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void render_signs(pixel *vid_buf);
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void render_fire(pixel *dst);
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void prepare_alpha(int size, float intensity);
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void draw_image(pixel *vid, pixel *img, int x, int y, int w, int h, int a);
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void dim_copy(pixel *dst, pixel *src);
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void dim_copy_pers(pixel *dst, pixel *src);
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void render_zoom(pixel *img);
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pixel *prerender_save(void *save, int size, int *width, int *height);
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int render_thumb(void *thumb, int size, int bzip2, pixel *vid_buf, int px, int py, int scl);
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void render_cursor(pixel *vid, int x, int y, int t, int rx, int ry);
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int sdl_open(void);
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int draw_debug_info(pixel* vid, int lm, int lx, int ly, int cx, int cy, int line_x, int line_y);
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#ifdef OGLR
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void clearScreen(float alpha);
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void ogl_blit(int x, int y, int w, int h, pixel *src, int pitch, int scale);
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#endif
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#endif
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#ifdef INCLUDE_SHADERS
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#ifndef SHADERS_H
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#define SHADERS_H
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const char * fireFragment = "uniform sampler2D fireAlpha;\
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void main () {\
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vec4 texColor = texture2D(fireAlpha, gl_PointCoord);\
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gl_FragColor = vec4(gl_Color.rgb, texColor.a*gl_Color.a);\
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}";
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const char * fireVertex = "void main(void)\
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{\
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gl_Position = ftransform();;\
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gl_FrontColor = gl_Color;\
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}";
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const char * lensFragment = "uniform sampler2D pTex;\
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uniform sampler2D tfX;\
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uniform sampler2D tfY;\
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uniform float xres = 612.0;\
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uniform float yres = 384.0;\
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void main () {\
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vec4 transformX = texture2D(tfX, vec2(gl_TexCoord[0].s, -gl_TexCoord[0].t));\
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vec4 transformY = -texture2D(tfY, vec2(gl_TexCoord[0].s, -gl_TexCoord[0].t));\
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transformX.r /= xres;\
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transformY.g /= yres;\
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vec4 texColor = vec4(\
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texture2D(pTex, gl_TexCoord[0].st-vec2(transformX.r*0.75, transformY.g*0.75)).r,\
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texture2D(pTex, gl_TexCoord[0].st-vec2(transformX.r*0.875, transformY.g*0.875)).g,\
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texture2D(pTex, gl_TexCoord[0].st-vec2(transformX.r, transformY.g)).b,\
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1.0\
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);\
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gl_FragColor = texColor;\
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}";
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const char * lensVertex = "void main(void)\
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{\
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gl_TexCoord[0] = gl_MultiTexCoord0;\
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gl_Position = ftransform();;\
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gl_FrontColor = gl_Color;\
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}";
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const char * airFragment = "uniform sampler2D airX;\
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uniform sampler2D airY;\
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uniform sampler2D airP;\
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void main () {\
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vec4 texX = texture2D(airX, gl_TexCoord[0].st);\
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vec4 texY = texture2D(airY, gl_TexCoord[0].st);\
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vec4 texP = texture2D(airP, gl_TexCoord[0].st);\
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gl_FragColor = vec4(abs(texX.r)/2.0, texP.b/2.0, abs(texY.g)/2.0, 1.0);\
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}";
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const char * airVertex = "void main(void)\
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{\
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gl_TexCoord[0] = gl_MultiTexCoord0;\
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gl_Position = ftransform();;\
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gl_FrontColor = gl_Color;\
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}";
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#endif
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#endif
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