kitchen: README + MISSIONS/engine-c keep-drop notes
This commit is contained in:
Hernâni Marques
parent
1d351918da
commit
575d7d29b8
130 changed files with 9817 additions and 1 deletions
341
engine-c/src/sprites.c
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341
engine-c/src/sprites.c
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#include "kknd.h"
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/* =========================================================================
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* sprites.c - Procedural 2D sprite/terrain generation.
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* Recreates the chunky post-apocalyptic KKND look without using any
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* original game assets. All art is drawn at runtime into SDL textures.
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* ========================================================================= */
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#define SURF_FMT SDL_PIXELFORMAT_RGBA32
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static SDL_Surface *new_surf(int w, int h) {
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return SDL_CreateRGBSurfaceWithFormat(0, w, h, 32, SURF_FMT);
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}
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static void px(SDL_Surface *s, int x, int y, Uint8 r, Uint8 g, Uint8 b, Uint8 a) {
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if (x < 0 || y < 0 || x >= s->w || y >= s->h) return;
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Uint32 *p = (Uint32 *)((Uint8 *)s->pixels + y * s->pitch);
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Uint32 pix = (a << 24) | (b << 16) | (g << 8) | r;
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p[x] = pix;
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}
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static void fill_rect(SDL_Surface *s, int x, int y, int w, int h,
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Uint8 r, Uint8 g, Uint8 b, Uint8 a) {
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for (int j = y; j < y + h; j++)
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for (int i = x; i < x + w; i++)
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px(s, i, j, r, g, b, a);
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}
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static void disc(SDL_Surface *s, int cx, int cy, int rad,
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Uint8 r, Uint8 g, Uint8 b, Uint8 a) {
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for (int j = -rad; j <= rad; j++)
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for (int i = -rad; i <= rad; i++)
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if (i*i + j*j <= rad*rad)
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px(s, cx + i, cy + j, r, g, b, a);
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}
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static void ring(SDL_Surface *s, int cx, int cy, int rad, int t,
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Uint8 r, Uint8 g, Uint8 b, Uint8 a) {
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for (int j = -rad; j <= rad; j++)
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for (int i = -rad; i <= rad; i++) {
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int d = i*i + j*j;
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if (d <= rad*rad && d >= (rad - t)*(rad - t))
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px(s, cx + i, cy + j, r, g, b, a);
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}
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}
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static void line(SDL_Surface *s, int x0, int y0, int x1, int y1,
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Uint8 r, Uint8 g, Uint8 b, Uint8 a) {
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int dx = abs(x1 - x0), dy = -abs(y1 - y0);
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int sx = x0 < x1 ? 1 : -1, sy = y0 < y1 ? 1 : -1;
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int err = dx + dy;
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for (;;) {
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px(s, x0, y0, r, g, b, a);
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if (x0 == x1 && y0 == y1) break;
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int e2 = 2 * err;
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if (e2 >= dy) { err += dy; x0 += sx; }
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if (e2 <= dx) { err += dx; y0 += sy; }
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}
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}
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static SDL_Color darken(SDL_Color c, float f) {
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return (SDL_Color){
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(Uint8)(c.r*f), (Uint8)(c.g*f), (Uint8)(c.b*f), c.a };
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}
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static SDL_Color lighten(SDL_Color c, float f) {
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return (SDL_Color){
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(Uint8)(c.r + (255-c.r)*f), (Uint8)(c.g + (255-c.g)*f),
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(Uint8)(c.b + (255-c.b)*f), c.a };
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}
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/* ---------------- unit sprites ---------------- */
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SDL_Texture *sprites_make_unit(SDL_Renderer *r, UnitType t, Faction f) {
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int S = 30;
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SDL_Surface *s = new_surf(S, S);
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SDL_Color base = faction_color(f);
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SDL_Color dark = darken(base, 0.55f);
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SDL_Color lite = lighten(base, 0.45f);
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SDL_Color metal = { 60, 60, 70, 255 };
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switch (t) {
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case UT_INFANTRY:
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disc(s, 15, 15, 8, dark.r, dark.g, dark.b, 255);
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disc(s, 15, 15, 6, base.r, base.g, base.b, 255);
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disc(s, 15, 12, 3, lite.r, lite.g, lite.b, 255);
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line(s, 15, 15, 15, 2, 30, 30, 30, 255); /* rifle */
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break;
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case UT_BUGGY:
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fill_rect(s, 6, 9, 18, 12, dark.r, dark.g, dark.b, 255);
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fill_rect(s, 8, 11, 14, 8, base.r, base.g, base.b, 255);
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disc(s, 10, 8, 3, metal.r, metal.g, metal.b, 255);
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disc(s, 20, 8, 3, metal.r, metal.g, metal.b, 255);
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disc(s, 10, 22, 3, metal.r, metal.g, metal.b, 255);
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disc(s, 20, 22, 3, metal.r, metal.g, metal.b, 255);
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line(s, 15, 15, 28, 15, 30, 30, 30, 255);
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break;
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case UT_TANK:
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fill_rect(s, 5, 10, 20, 11, dark.r, dark.g, dark.b, 255);
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fill_rect(s, 7, 12, 16, 7, base.r, base.g, base.b, 255);
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disc(s, 15, 15, 6, lite.r, lite.g, lite.b, 255);
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line(s, 15, 15, 30, 15, 40, 40, 45, 255);
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disc(s, 9, 22, 3, 30, 30, 30, 255);
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disc(s, 21, 22, 3, 30, 30, 30, 255);
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break;
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case UT_ARTILLERY:
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fill_rect(s, 5, 11, 20, 9, dark.r, dark.g, dark.b, 255);
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disc(s, 15, 15, 5, lite.r, lite.g, lite.b, 255);
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line(s, 15, 15, 4, 4, 40, 40, 45, 255);
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line(s, 15, 15, 26, 26, 40, 40, 45, 255);
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break;
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case UT_HARVESTER:
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fill_rect(s, 4, 8, 22, 14, dark.r, dark.g, dark.b, 255);
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fill_rect(s, 6, 10, 18, 10, 110, 90, 50, 255); /* scrap bed */
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disc(s, 9, 22, 3, 30, 30, 30, 255);
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disc(s, 21, 22, 3, 30, 30, 30, 255);
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line(s, 6, 8, 6, 4, base.r, base.g, base.b, 255);
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break;
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case UT_JEEP:
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fill_rect(s, 7, 11, 16, 9, dark.r, dark.g, dark.b, 255);
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disc(s, 10, 21, 3, metal.r, metal.g, metal.b, 255);
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disc(s, 20, 21, 3, metal.r, metal.g, metal.b, 255);
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line(s, 15, 12, 15, 5, base.r, base.g, base.b, 255); /* roll bar */
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line(s, 15, 15, 27, 15, 40, 40, 45, 255);
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break;
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case UT_MUTANT:
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disc(s, 15, 16, 9, dark.r, dark.g, dark.b, 255);
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disc(s, 15, 14, 6, base.r, base.g, base.b, 255);
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disc(s, 15, 11, 3, lite.r, lite.g, lite.b, 255);
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line(s, 15, 16, 23, 10, 30, 30, 30, 255); /* arm/club */
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break;
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case UT_BEAST:
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fill_rect(s, 8, 11, 14, 9, dark.r, dark.g, dark.b, 255);
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disc(s, 10, 20, 2, 30, 30, 30, 255);
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disc(s, 14, 21, 2, 30, 30, 30, 255);
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disc(s, 18, 20, 2, 30, 30, 30, 255);
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disc(s, 22, 21, 2, 30, 30, 30, 255);
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disc(s, 22, 13, 4, base.r, base.g, base.b, 255);
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break;
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case UT_RAVAGER:
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fill_rect(s, 3, 9, 24, 13, dark.r, dark.g, dark.b, 255);
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fill_rect(s, 6, 12, 18, 7, base.r, base.g, base.b, 255);
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disc(s, 15, 15, 7, lite.r, lite.g, lite.b, 255);
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line(s, 15, 15, 29, 15, 40, 40, 45, 255); /* big barrel */
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disc(s, 8, 22, 3, 30, 30, 30, 255);
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disc(s, 22, 22, 3, 30, 30, 30, 255);
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break;
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case UT_FLAME:
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fill_rect(s, 8, 12, 14, 12, dark.r, dark.g, dark.b, 255);
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disc(s, 15, 11, 4, base.r, base.g, base.b, 255);
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line(s, 15, 15, 27, 19, 220, 120, 40, 255); /* flame nozzle */
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break;
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case UT_MISSILE:
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fill_rect(s, 7, 12, 16, 11, dark.r, dark.g, dark.b, 255);
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disc(s, 10, 22, 3, metal.r, metal.g, metal.b, 255);
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disc(s, 20, 22, 3, metal.r, metal.g, metal.b, 255);
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line(s, 15, 15, 28, 8, 200, 60, 60, 255); /* launcher */
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break;
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case UT_MEDIC:
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fill_rect(s, 8, 11, 14, 12, 235, 235, 235, 255); /* white ambulance body */
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disc(s, 11, 23, 3, metal.r, metal.g, metal.b, 255);
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disc(s, 19, 23, 3, metal.r, metal.g, metal.b, 255);
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disc(s, 15, 10, 4, 220, 60, 60, 255); /* red cross */
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fill_rect(s, 14, 7, 2, 6, 255, 255, 255, 255);
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fill_rect(s, 12, 9, 6, 2, 255, 255, 255, 255);
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break;
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default:
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disc(s, 15, 15, 9, base.r, base.g, base.b, 255);
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break;
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}
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SDL_Texture *tex = SDL_CreateTextureFromSurface(r, s);
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SDL_FreeSurface(s);
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return tex;
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}
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/* ---------------- building sprites ---------------- */
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SDL_Texture *sprites_make_bld(SDL_Renderer *r, BuildingType t, Faction f) {
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int w = bld_def(t)->w, h = bld_def(t)->h;
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int W = w * TILE, H = h * TILE;
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SDL_Surface *s = new_surf(W, H);
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SDL_Color base = faction_color(f);
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SDL_Color dark = darken(base, 0.5f);
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SDL_Color lite = lighten(base, 0.4f);
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SDL_Color wall = { 90, 84, 78, 255 };
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SDL_Color wall2 = { 64, 60, 56, 255 };
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fill_rect(s, 0, 0, W, H, wall2.r, wall2.g, wall2.b, 255);
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fill_rect(s, 3, 3, W - 6, H - 6, wall.r, wall.g, wall.b, 255);
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ring(s, W/2, H/2, (W<H?W:H)/2 - 3, 2, dark.r, dark.g, dark.b, 255);
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switch (t) {
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case BT_BASE:
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disc(s, W/2, H/2, W/4, base.r, base.g, base.b, 255);
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disc(s, W/2, H/2, W/6, lite.r, lite.g, lite.b, 255);
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line(s, W/2, H/2, W/2, 4, 200, 200, 60, 255);
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break;
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case BT_WARFACTORY:
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fill_rect(s, 8, 8, W-16, H-16, dark.r, dark.g, dark.b, 255);
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fill_rect(s, 12, 12, W-24, 10, base.r, base.g, base.b, 255);
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fill_rect(s, 12, H-24, W-24, 10, base.r, base.g, base.b, 255);
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break;
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case BT_REFINERY:
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disc(s, W/2, H/2, W/4, 120, 100, 60, 255);
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ring(s, W/2, H/2, W/4 - 3, 3, 60, 50, 40, 255);
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break;
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case BT_POWER:
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disc(s, W/2, H/2, W/3, 80, 120, 160, 255);
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line(s, W/2, 4, W/2, H-4, 220, 240, 255, 255);
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line(s, 4, H/2, W-4, H/2, 220, 240, 255, 255);
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break;
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case BT_TURRET:
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disc(s, W/2, H/2, W/3, dark.r, dark.g, dark.b, 255);
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disc(s, W/2, H/2, W/5, lite.r, lite.g, lite.b, 255);
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line(s, W/2, H/2, W/2 + 12, H/2 - 12, 40, 40, 45, 255);
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break;
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case BT_WALL:
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fill_rect(s, 2, 2, W-4, H-4, 70, 66, 60, 255);
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line(s, 2, 2, W-2, H-2, 40, 38, 34, 255);
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break;
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case BT_REPAIR:
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fill_rect(s, 8, 8, W-16, H-16, dark.r, dark.g, dark.b, 255);
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ring(s, W/2, H/2, W/4, 3, 120, 220, 120, 255);
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line(s, W/2 - 12, H/2, W/2 + 12, H/2, 120, 220, 120, 255);
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line(s, W/2, H/2 - 12, W/2, H/2 + 12, 120, 220, 120, 255);
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break;
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case BT_RESEARCH:
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fill_rect(s, 8, 8, W-16, H-16, dark.r, dark.g, dark.b, 255);
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disc(s, W/2, H/2, W/5, 180, 150, 60, 255);
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line(s, W/2, 6, W/2, H-6, 220, 220, 150, 255);
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line(s, 6, H/2, W-6, H/2, 220, 220, 150, 255);
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break;
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default:
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break;
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}
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SDL_Texture *tex = SDL_CreateTextureFromSurface(r, s);
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SDL_FreeSurface(s);
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return tex;
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}
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/* ---------------- terrain tiles ---------------- */
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SDL_Texture *sprites_make_terrain(SDL_Renderer *r, TerrainType t) {
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SDL_Surface *s = new_surf(TILE, TILE);
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Uint8 tr=0,tg=0,tb=0;
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switch (t) {
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case T_WASTELAND: tr=120; tg=104; tb=78; break;
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case T_RUBBLE: tr=96; tg=86; tb=74; break;
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case T_ROAD: tr=70; tg=68; tb=64; break;
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case T_GRASS: tr=86; tg=120; tb=64; break;
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case T_WATER: tr=44; tg=78; tb=120; break;
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case T_ROCK: tr=110; tg=104; tb=98; break;
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case T_SCRAP: tr=110; tg=96; tb=70; break;
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default: tr=120; tg=104; tb=78; break;
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}
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fill_rect(s, 0, 0, TILE, TILE, tr, tg, tb, 255);
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/* speckle for texture */
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for (int i = 0; i < 40; i++) {
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int x = (i*73) % TILE, y = (i*131) % TILE;
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int v = ((i*53) % 24) - 12;
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px(s, x, y,
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(Uint8)kknd_clampi(tr+v,0,255),
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(Uint8)kknd_clampi(tg+v,0,255),
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(Uint8)kknd_clampi(tb+v,0,255), 255);
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}
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if (t == T_SCRAP) {
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for (int i = 0; i < 10; i++) {
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int x = (i*97) % TILE, y = (i*61) % TILE;
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disc(s, x, y, 2, 180, 150, 60, 255);
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}
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}
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if (t == T_WATER) {
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for (int i = 0; i < TILE; i += 4)
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line(s, 0, i, TILE, i, 60, 100, 150, 255);
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}
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if (t == T_ROCK) {
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for (int i = 0; i < 12; i++) {
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int x = (i*89) % TILE, y = (i*149) % TILE;
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disc(s, x, y, 3, 130, 124, 118, 255);
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}
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}
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SDL_Texture *tex = SDL_CreateTextureFromSurface(r, s);
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SDL_FreeSurface(s);
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return tex;
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}
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/* ---------------- bullets ---------------- */
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static SDL_Texture *make_bullet(SDL_Renderer *r, int kind) {
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int S = 10;
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SDL_Surface *s = new_surf(S, S);
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switch (kind) {
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case 0: disc(s, 5, 5, 3, 255, 230, 120, 255); break; /* MG tracer */
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case 1: disc(s, 5, 5, 4, 255, 160, 60, 255); break; /* shell */
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case 2: disc(s, 5, 5, 3, 120, 255, 160, 255); break; /* laser */
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case 3: disc(s, 5, 5, 4, 255, 90, 90, 255); break; /* missile */
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default: disc(s, 5, 5, 3, 255, 255, 255, 255);
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}
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SDL_Texture *tex = SDL_CreateTextureFromSurface(r, s);
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SDL_FreeSurface(s);
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return tex;
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}
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int sprites_init(Sprites *sp, SDL_Renderer *r) {
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memset(sp, 0, sizeof(Sprites));
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for (int t = 0; t < T_COUNT; t++)
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sp->terrain[t] = sprites_make_terrain(r, (TerrainType)t);
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for (int t = 1; t < UT_COUNT; t++) {
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sp->unit[t][FACTION_SURVIVOR] = sprites_make_unit(r, (UnitType)t, FACTION_SURVIVOR);
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sp->unit[t][FACTION_EVOLVED] = sprites_make_unit(r, (UnitType)t, FACTION_EVOLVED);
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sp->unit[t][FACTION_SERIES9] = sprites_make_unit(r, (UnitType)t, FACTION_SERIES9);
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}
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for (int t = 1; t < BT_COUNT; t++) {
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sp->bld[t][FACTION_SURVIVOR] = sprites_make_bld(r, (BuildingType)t, FACTION_SURVIVOR);
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sp->bld[t][FACTION_EVOLVED] = sprites_make_bld(r, (BuildingType)t, FACTION_EVOLVED);
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sp->bld[t][FACTION_SERIES9] = sprites_make_bld(r, (BuildingType)t, FACTION_SERIES9);
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}
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for (int k = 0; k < 4; k++)
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sp->bullet[k] = make_bullet(r, k);
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sp->font_small = TTF_OpenFont("/usr/share/fonts/TTF/DejaVuSans.ttf", 14);
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if (!sp->font_small)
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sp->font_small = TTF_OpenFont("/usr/share/fonts/gnu-free/FreeSans.ttf", 14);
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sp->font_med = sp->font_small ? TTF_OpenFont("/usr/share/fonts/TTF/DejaVuSans.ttf", 20) : NULL;
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sp->font_big = sp->font_small ? TTF_OpenFont("/usr/share/fonts/TTF/DejaVuSans.ttf", 34) : NULL;
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if (!sp->font_small) {
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sp->font_small = TTF_OpenFont("/usr/share/fonts/TTF/DejaVuSans-Bold.ttf", 14);
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}
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return 1;
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}
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void sprites_free(Sprites *sp) {
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for (int t = 0; t < T_COUNT; t++)
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if (sp->terrain[t]) SDL_DestroyTexture(sp->terrain[t]);
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for (int t = 1; t < UT_COUNT; t++)
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for (int f = 0; f < MAX_FACTIONS; f++)
|
||||
if (sp->unit[t][f]) SDL_DestroyTexture(sp->unit[t][f]);
|
||||
for (int t = 1; t < BT_COUNT; t++)
|
||||
for (int f = 0; f < MAX_FACTIONS; f++)
|
||||
if (sp->bld[t][f]) SDL_DestroyTexture(sp->bld[t][f]);
|
||||
for (int k = 0; k < 4; k++)
|
||||
if (sp->bullet[k]) SDL_DestroyTexture(sp->bullet[k]);
|
||||
if (sp->font_small) TTF_CloseFont(sp->font_small);
|
||||
if (sp->font_med) TTF_CloseFont(sp->font_med);
|
||||
if (sp->font_big) TTF_CloseFont(sp->font_big);
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue