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palette.c
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palette.c
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/*
This function is straight out of Excellent Bifurcation.
I haven't fixed it up for this example at all.
Use the colour enum in palette.h.
*/
#include "config.h"
#include "allegro.h"
#include "palette.h"
#include "globvars.h"
COLOR_MAP trans_table;
//COLOR_MAP trans_table2;
//int blend_function(int base, int trans, RGB *rgbl);
int blend_function(int trans, int base, RGB *rgbl);
int blend_function2(int trans, int base, RGB *rgbl);
int limit_colour(int colour_input);
void set_a_colour(int col, int r, int g, int b);
void create_inner_bullet_colour(int pa, int index, int r, int g, int b);
void create_outer_bullet_colour(int pa, int index, int r, int g, int b);
void build_new_palette(int a, int b, int c, int d);
void halfway_colour(int base, int target, int r, int g, int b);
RGB other_palet [3048];
RGB palet [256];
RGB palet2 [256];
//RGB light_palet [256];
//RGB dark_palet [256];
RGB other_palet2 [3048];
// what seems to be a weird bug in Allegro forces me to put padding around
// the palet array, or it becomes corrupted. The same thing happened in
// World of Violence and I have no idea why.
/*
IMPORTANT TO REMEMBER:
I created the palette for the GIMP by saving a 16x16 image with all colours
as a gif then importing the palette from that. This let me get the colours
in the right order!
In the GIMP, must go to image|mode|indexed colour and change the settings there.
*/
void special_create_color_table(COLOR_MAP *table);//, AL_CONST PALETTE pal);
void special_create_color_table2(COLOR_MAP *table, AL_CONST PALETTE pal);
int base_colour(int y);
void colour_table(const char *which_call);
/*
Colour scheme:
Remember, 0 is black so base 0 is actually indexed as 1
outline 0
white 1
lgrey 2
dgrey 3
col1 4
col2 5
col3 6
col4 7
back1 9
back2 9
back3 10
back4 11
back5 12
*/
int base_colours [NO_PALETTES] [13] [3] =
{
// menu
{
{5, 5, 5}, // outline
{50, 50, 50}, // white
{35, 35, 35}, // lgrey
{22, 22, 22}, // dgrey
{13, 13, 20}, // col1
{15, 15, 27}, // col2
{17, 17, 32}, // col3
{20, 20, 37}, // col4
{13, 13, 20}, // back1
{20, 20, 27}, // back2
{22, 22, 32}, // back3
{24, 24, 37}, // back4
{26, 26, 41}, // back5
/* {5, 5, 5}, // outline
{50, 50, 50}, // white
{35, 35, 35}, // lgrey
{22, 22, 22}, // dgrey
{33, 33, 33}, // col1
{38, 38, 38}, // col2
{43, 43, 43}, // col3
{48, 48, 48}, // col4
{12, 12, 12}, // back1
{23, 23, 23}, // back2
{26, 26, 26}, // back3
{29, 29, 29}, // back4
{32, 32, 32}, // back5
*/
},
// base (stage 1)
{
{5, 5, 5}, // outline
{50, 50, 50}, // white
{35, 35, 35}, // lgrey
{22, 22, 22}, // dgrey
{22, 5, 5}, // col1
{33, 8, 8}, // col2
{40, 12, 12}, // col3
{50, 17, 17}, // col4
{11, 11, 16}, // back1
{14, 14, 19}, // back2
{17, 17, 22}, // back3
{20, 20, 25}, // back4
{23, 23, 28}, // back5
},
// stage 1_2
{
{5, 5, 5}, // outline
{50, 50, 50}, // white
{35, 35, 35}, // lgrey
{22, 22, 22}, // dgrey
{20, 8, 5}, // col1
{30, 11, 8}, // col2
{37, 16, 12}, // col3
{42, 23, 17}, // col4
{9, 13, 13}, // back1
{12, 16, 16}, // back2
{15, 19, 19}, // back3
{18, 22, 22}, // back4
{21, 25, 25} // back5
/* {20, 10, 10}, // back1
{23, 13, 13}, // back2
{26, 16, 16}, // back3
{29, 19, 19}, // back4
{32, 22, 22}, // back5*/
},
// stage 1_3
{
{5, 5, 5}, // outline
{50, 50, 50}, // white
{35, 35, 35}, // lgrey
{22, 22, 22}, // dgrey
{15, 12, 5}, // col1
{25, 16, 8}, // col2
{31, 23, 16}, // col3
{39, 31, 23}, // col4
{9, 12, 12}, // back1
{13, 15, 15}, // back2
{15, 19, 19}, // back3
{18, 20, 20}, // back4
{21, 23, 23} // back5
},
// stage 2_1
{
{5, 5, 5}, // outline
{50, 50, 50}, // white
{35, 35, 35}, // lgrey
{22, 22, 22}, // dgrey
{10, 10, 15}, // col1
{13, 13, 25}, // col2
{23, 23, 36}, // col3
{33, 33, 42}, // col4
{15, 10, 10}, // back1
{18, 13, 13}, // back2
{21, 16, 16}, // back3
{24, 19, 19}, // back4
{29, 22, 22} // back5
},
// stage 2_2
{
{5, 5, 5}, // outline
{50, 50, 50}, // white
{35, 35, 35}, // lgrey
{22, 22, 22}, // dgrey
{20, 5, 5}, // col1
{30, 8, 8}, // col2
{36, 12, 12}, // col3
{45, 17, 17}, // col4
{10, 10, 15}, // back1
{13, 13, 18}, // back2
{16, 16, 21}, // back3
{19, 19, 24}, // back4
{22, 22, 27}, // back5
},
// stage 3_1
{
{5, 5, 5}, // outline
{50, 50, 50}, // white
{35, 35, 35}, // lgrey
{22, 22, 22}, // dgrey
{20, 20, 27}, // col1
{24, 24, 34}, // col2
{31, 31, 42}, // col3
{39, 39, 49}, // col4
{15, 15, 15}, // back1
{25, 22, 22}, // back2
{29, 25, 25}, // back3
{32, 27, 27}, // back4
{36, 29, 29}, // back5
},
// stage 3_2
{
{5, 5, 5}, // outline
{50, 50, 50}, // white
{35, 35, 35}, // lgrey
{22, 22, 22}, // dgrey
{27, 20, 20}, // col1
{34, 23, 23}, // col2
{42, 28, 28}, // col3
{49, 35, 35}, // col4
{15, 15, 15}, // back1
{22, 22, 25}, // back2
{25, 25, 29}, // back3
{27, 27, 32}, // back4
{29, 29, 36}, // back5
},
};
int current_base [13] [3];
//int swap;
void set_base_palette(void)
{
int i, j;
for (i = 0; i < 13; i ++)
{
for (j = 0; j < 3; j ++)
{
current_base [i] [j] = base_colours [PAL_MENU] [i] [j];
}
}
build_new_palette(0, 0, 0, 0);
}
void run_palette_shift(void)
{
int i, j;
char changed = 0;
for (i = 0; i < 13; i ++)
{
for (j = 0; j < 3; j ++)
{
if (current_base [i] [j] < base_colours [arena.target_palette] [i] [j])
{
current_base [i] [j] ++;
changed = 1;
}
if (current_base [i] [j] > base_colours [arena.target_palette] [i] [j])
{
current_base [i] [j] --;
changed = 1;
}
}
}
if (changed == 0)
arena.shift_palette = 1;
// circlefill(screen, 10, 10, 5, grand(100));
}
// only called at startup.
void define_palette(void)
{
int i;
palet [0].r = 0;
palet [0].g = 0;
palet [0].b = 0;
for (i = 0; i < 13; i ++)
{
current_base [i] [0] = base_colours [PAL_MENU] [i] [0];
current_base [i] [1] = base_colours [PAL_MENU] [i] [1];
current_base [i] [2] = base_colours [PAL_MENU] [i] [2];
}
build_new_palette(0, 0, 0, 0);
vsync();
set_palette(palet);
//#define CREATE_PALETTE
#ifdef CREATE_PALETTE
int j;
BITMAP *palt = new_bitmap(16, 16, "Palette");
for (i = 0; i < 16; i ++)
{
for (j = 0; j < 16; j ++)
{
putpixel(palt, i, j, i + j * 16);
}
}
save_bitmap("palt.bmp", palt, palet);
#endif
special_create_color_table(&trans_table);//, palet);
color_map = &trans_table;
// set_palette(palet2);
}
void build_new_palette(int a, int b, int c, int d)
{
int i;
set_a_colour(0, 0, 0, 0);
for (i = 1; i < 14; i ++)
{
set_a_colour(i, current_base [i - 1] [0], current_base [i - 1] [1], current_base [i - 1] [2]);
}
for (i = 0; i < 13; i ++)
{
set_a_colour(TRANS_RED1 + i, current_base [i] [0] + 9, current_base [i] [1], current_base [i] [2] - 3);
set_a_colour(TRANS_RED2 + i, current_base [i] [0] + 18, current_base [i] [1] + 1, current_base [i] [2] - 7);
set_a_colour(TRANS_RED3 + i, current_base [i] [0] + 31, current_base [i] [1] + 5, current_base [i] [2] / 2);
set_a_colour(TRANS_RED4 + i, current_base [i] [0] / 3 + 42, current_base [i] [1] / 3 + 25, current_base [i] [2] / 4);
set_a_colour(TRANS_RED5 + i, current_base [i] [0] / 4 + 45, current_base [i] [1] / 4 + 32, current_base [i] [2] / 5);
set_a_colour(TRANS_GREEN1 + i, current_base [i] [0], current_base [i] [1] + 3, current_base [i] [2] - 3);
set_a_colour(TRANS_GREEN2 + i, current_base [i] [0] + 1, current_base [i] [1] + 10, current_base [i] [2] - 5);
set_a_colour(TRANS_GREEN3 + i, current_base [i] [0] + 6, current_base [i] [1] + 20, current_base [i] [2] / 2);
// set_a_colour(TRANS_GREEN3 + i, current_base [i] [0] + 3, current_base [i] [1] + 20, current_base [i] [2] / 2);
set_a_colour(TRANS_GREEN4 + i, current_base [i] [0] / 3 + 30, current_base [i] [1] / 3 + 30, current_base [i] [2] / 4 + 10);
set_a_colour(TRANS_GREEN5 + i, current_base [i] [0] / 4 + 45, current_base [i] [1] / 4 + 39, current_base [i] [2] / 5 + 15);
// set_a_colour(TRANS_GREEN4 + i, current_base [i] [0] / 2 + 23, current_base [i] [1] / 2 + 30, current_base [i] [2] / 4 + 5);
// set_a_colour(TRANS_GREEN5 + i, current_base [i] [0] / 3 + 37, current_base [i] [1] / 3 + 39, current_base [i] [2] / 5 + 12);
set_a_colour(TRANS_BLUE1 + i, current_base [i] [0] - 1, current_base [i] [1] - 1, current_base [i] [2] + 7);
set_a_colour(TRANS_BLUE2 + i, current_base [i] [0] + 1, current_base [i] [1] + 1, current_base [i] [2] + 15);
set_a_colour(TRANS_BLUE3 + i, current_base [i] [0] / 2 + 18, current_base [i] [1] / 2 + 18, current_base [i] [2] / 2 + 30);
set_a_colour(TRANS_BLUE4 + i, current_base [i] [0] / 4 + 36, current_base [i] [1] / 4 + 36, current_base [i] [2] / 4 + 50);
set_a_colour(TRANS_BLUE5 + i, current_base [i] [0] / 5 + 51, current_base [i] [1] / 5 + 51, current_base [i] [2] / 5 + 65);
set_a_colour(TRANS_PURPLE2 + i, current_base [i] [0] + 15, current_base [i] [1] + 1, current_base [i] [2] + 15);
set_a_colour(TRANS_PURPLE3 + i, current_base [i] [0] / 2 + 25, current_base [i] [1] / 2 + 12, current_base [i] [2] / 2 + 25);
set_a_colour(TRANS_PURPLE4 + i, current_base [i] [0] / 4 + 42, current_base [i] [1] / 4 + 30, current_base [i] [2] / 4 + 42);
/* set_a_colour(TRANS_BLUE1 + i, base_colours [i] [0], base_colours [i] [1], base_colours [i] [2] + 5);
set_a_colour(TRANS_BLUE2 + i, base_colours [i] [0], base_colours [i] [1], base_colours [i] [2] + 10);
set_a_colour(TRANS_BLUE3 + i, base_colours [i] [0], base_colours [i] [1], base_colours [i] [2] + 15);
set_a_colour(TRANS_BLUE4 + i, base_colours [i] [0], base_colours [i] [1], base_colours [i] [2] + 20);
set_a_colour(TRANS_BLUE5 + i, base_colours [i] [0], base_colours [i] [1], base_colours [i] [2] + 25);*/
}
}
void set_a_colour(int col, int r, int g, int b)
{
palet [col].r = limit_colour(r);
palet [col].g = limit_colour(g);
palet [col].b = limit_colour(b);
}
int limit_colour(int colour_input)
{
if (colour_input < 0) return 0;
if (colour_input > 63) return 63;
return colour_input;
}
int blend_function(int trans, int base, RGB *rgbl)
{
/*
if (trans >= TRANS_CONVERT_1 && trans <= TRANS_CONVERT_9)
{
if (base == 0)
return 0;
if (((base - 1) / 13) % 2 == 1)
return (trans - TRANS_CONVERT_1) * 26 + 15;
else
return (trans - TRANS_CONVERT_1) * 26 + 28;
}
if (trans == CONVERT_WHITE_TO_GREY)
{
if (base == COL_WHITE)
return COL_LGREY;
return base;
}
if (trans == TRANS_BACK2_OUTLINE)
{
return base;
}
if (trans == TRANS_BACK3_OUTLINE)
{
if (base == COL_BACK1)//2 || base == COL_BACK1)
return COL_OUTLINE;
else
return base;
}
*/
if (trans == CONVERT_WHITE_TO_GREY)
{
if (base == COL_WHITE)
return COL_LGREY;
return base;
}
if (trans >= COL_BCIRCLE_1 && trans < COL_BCIRCLE_OUT_1)
{
return trans - COL_BCIRCLE_1 + COL_BACK2;
}
if (trans == COL_BCIRCLE_OUT_1)
{
if (base == COL_BACK2)
return COL_BACK2;
return COL_OUTLINE;
}
if (trans == COL_BCIRCLE_OUT_2)
{
if (base == COL_BACK3)
return base;
if (base == COL_BACK2)
return COL_BACK1;
return COL_OUTLINE;
}
if (trans == COL_BCIRCLE_OUT_3)
{
if (base == COL_BACK4)
return base;
if (base == COL_BACK3)
return COL_BACK2;
if (base == COL_BACK2)
return COL_BACK1;
return COL_OUTLINE;
}
/*
if (trans >= COL_BCIRCLE_1 && trans < COL_BCIRCLE_OUT_1)
{
return trans - COL_BCIRCLE_1 + COL_BACK2;
}
if (trans == COL_BCIRCLE_OUT_1)
{
if (base == COL_BACK2)
return COL_BACK2;
return COL_OUTLINE;
}
if (trans == COL_BCIRCLE_OUT_2)
{
if (base == COL_BACK3)
return base;
return COL_OUTLINE;
}
if (trans == COL_BCIRCLE_OUT_3)
{
if (base == COL_BACK4)
return base;
return COL_OUTLINE;
}
*/
if (base < TRANS_RED1)
return trans + base - 1;
int trans_strength = (trans - 1) / 13;
if (trans == TRANS_PURPLE2)
trans_strength = 4;
if (trans == TRANS_PURPLE3)
trans_strength = 7;
if (trans == TRANS_PURPLE4)
trans_strength = 10;
int base_trans_strength = (base - 1) / 13;
if (base >= TRANS_PURPLE2 && base < TRANS_PURPLE3)
base_trans_strength = 4;
if (base >= TRANS_PURPLE3 && base < TRANS_PURPLE4)
base_trans_strength = 7;
if (base >= TRANS_PURPLE4)
base_trans_strength = 10;
if (trans_strength > base_trans_strength)
return trans + ((base - 1) % 13);
else return base;
return trans;
}
/*int blend_function(int trans, int base, RGB *rgbl)
{
if (base <= COLOUR_12)
return trans + base;
trans --;
// int low_colour = base % 12;
// int low_trans = trans / 12;
int trans_strength = (trans / 12 - 1) % 6;
if (trans == TRANS_PURPLE1)
trans_strength = 10;
if (trans == TRANS_PURPLE2)
trans_strength = 11;
int base_trans_strength = (base / 12 - 1) % 6;
if (trans == TRANS_PURPLE1)
base_trans_strength = 10;
if (trans == TRANS_PURPLE2)
base_trans_strength = 11;
if (trans_strength >= base_trans_strength)
return trans + (base % 12);
else return base;
return trans;
}
*/
/*
This function had to be modified from the allegro create_color_table
because the allegro version used bestfit_color, whereas we need
specific color values
*/
void special_create_color_table(COLOR_MAP *table)
{
int x, y, z;
RGB c;
for (x = 0; x < PAL_SIZE; x++) {
for (y = 0; y < PAL_SIZE; y++) {
z = blend_function(x, y, &c);
table->data [x] [y] = z;
}
}
}