umorna/source/engine.c

210 lines
7.4 KiB
C

#include "game.h"
#include "render.h"
#include "engine.h"
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
static void (* action_list [signal_count]) (void);
static int menu_count = 0;
static int menu_items [menu_limit];
static int menu_show [menu_limit];
static char * menu_text [menu_limit] [menu_item_limit];
static int menu_icon [menu_limit] [menu_item_limit];
static void (* menu_action [menu_limit] [menu_item_limit]) (void);
static void limit (int * pointer, int minimum, int maximum) {
if (* pointer < minimum) { * pointer = minimum; }
if (* pointer > maximum) { * pointer = maximum; }
}
static void idle_game (void) { return; }
static void exit_game (void) { render_active = 0; }
static void camera_move_right (void) { camera_x++; limit (& camera_x, 0, world_width - (render_width () / (int) (BASE_SIZE * render_zoom))); }
static void camera_move_left (void) { camera_x--; limit (& camera_x, 0, world_width - (render_width () / (int) (BASE_SIZE * render_zoom))); }
static void camera_move_down (void) { camera_y++; limit (& camera_y, 0, world_height - (render_height () / (int) (BASE_SIZE * render_zoom))); }
static void camera_move_up (void) { camera_y--; limit (& camera_y, 0, world_height - (render_height () / (int) (BASE_SIZE * render_zoom))); }
static void show_trait_menu (void) { menu_show [menu_traits] = menu_show [menu_traits] ? 0 : 1; }
static void show_skill_menu (void) { menu_show [menu_skills] = menu_show [menu_skills] ? 0 : 1; }
static void show_value_menu (void) { menu_show [menu_values] = menu_show [menu_values] ? 0 : 1; }
static void view_hud (int x, int y, int width, int height, int small, int alpha) {
int i, j, u, v;
u = width % ICON_SIZE;
v = height % ICON_SIZE;
width /= ICON_SIZE;
height /= ICON_SIZE;
if (alpha == 0) {
for (i = 0; i < width - 1; ++i) {
for (j = 0; j < height - 1; ++j) {
render_sprite (neonui, x + i * ICON_SIZE + ICON_SIZE / 2, y + j * ICON_SIZE + ICON_SIZE / 2, 0, 0, ICON_SIZE, ICON_SIZE);
}
render_sprite (neonui, x + i * ICON_SIZE + ICON_SIZE / 2, y + height * ICON_SIZE + ICON_SIZE / 2, 0, 0, u, ICON_SIZE);
}
render_sprite (neonui, x + width * ICON_SIZE + ICON_SIZE / 2, y + height * ICON_SIZE + ICON_SIZE / 2, 0, 0, ICON_SIZE, v);
}
for (i = (small == 0) + 1; i < width - (small != 0); ++i) {
render_sprite (neonui, x + (i - (small == 0)) * ICON_SIZE, y, 560, 0, ICON_SIZE, ICON_SIZE);
render_sprite (neonui, x + (i - (small == 0)) * ICON_SIZE, y + ICON_SIZE * (height - 1) + v, 560, 0, ICON_SIZE, ICON_SIZE);
}
for (i = (small == 0) + 1; i < height - (small != 0); ++i) {
render_sprite (neonui, x, y + (i - (small == 0)) * ICON_SIZE, 256, 128, ICON_SIZE, ICON_SIZE);
render_sprite (neonui, x + ICON_SIZE * (width - 1) + u, y + (i - (small == 0)) * ICON_SIZE + v, 256, 128, ICON_SIZE, ICON_SIZE);
}
u += ICON_SIZE * (width - 2 * (small == 0) - 1);
v += ICON_SIZE * (height - 2 * (small == 0) - 1);
if (small == 0) {
render_sprite (neonui, x, y, 288, 0, 3 * ICON_SIZE, 3 * ICON_SIZE);
render_sprite (neonui, x + u, y, 384, 0, 3 * ICON_SIZE, 3 * ICON_SIZE);
render_sprite (neonui, x, y + v, 288, 96, 3 * ICON_SIZE, 3 * ICON_SIZE);
render_sprite (neonui, x + u, y + v, 384, 96, 3 * ICON_SIZE, 3 * ICON_SIZE);
} else {
render_sprite (neonui, x, y, 288, 192, ICON_SIZE, ICON_SIZE);
render_sprite (neonui, x + u, y, 320, 192, ICON_SIZE, ICON_SIZE);
render_sprite (neonui, x, y + v, 288, 224, ICON_SIZE, ICON_SIZE);
render_sprite (neonui, x + u, y + v, 320, 224, ICON_SIZE, ICON_SIZE);
}
}
static void define_minimenu (int menu, char * text, int icon, void (* action) (void)) {
menu_text [menu] [menu_items [menu]] = text;
menu_icon [menu] [menu_items [menu]] = icon;
menu_action [menu] [menu_items [menu]] = action;
menu_items [menu]++;
}
static void define_menu (int show) {
menu_items [menu_count] = 0;
menu_show [menu_count] = show;
menu_count++;
}
int camera_x = 0;
int camera_y = 0;
void view_side (void) {
render_sprite (overui, ICON_SIZE, render_height () - 784 + ICON_SIZE, 0, 0, 1472, 784);
view_hud (render_width () - SIDE_SIZE, 0, SIDE_SIZE, render_height (), 0, 0);
view_hud (0, 0, render_width () - SIDE_SIZE, render_height (), 0, 1);
}
void view_menu (int menu, int x, int y, int small, int align, int alpha) {
int item, aligned_x, aligned_y, i, j;
if (menu_show [menu] == 0) {
return;
}
i = (int) strlen (menu_text [menu] [0]);
j = menu_items [menu];
i += 2 * (small == 0) + 2;
j += 2 * (small == 0) + 2;
aligned_x = (align == 0) ? x : ((render_width () - ICON_SIZE * i) / 2);
aligned_y = (align == 0) ? y : ((render_height () - ICON_SIZE * j) / 2);
view_hud (aligned_x, aligned_y, i * ICON_SIZE, j * ICON_SIZE, small, alpha);
aligned_x += ICON_SIZE + (small == 0) * ICON_SIZE;
aligned_y += ICON_SIZE + (small == 0) * ICON_SIZE;
for (item = 0; item < menu_items [menu]; ++item) {
i = (menu_icon [menu] [item] / 10) * ICON_SIZE;
j = (menu_icon [menu] [item] % 10) * ICON_SIZE;
render_sprite (ui, aligned_x, aligned_y + item * ICON_SIZE, i, j, ICON_SIZE, ICON_SIZE);
render_string (menu_text [menu] [item], aligned_x + ICON_SIZE, aligned_y + item * ICON_SIZE);
}
}
void view_map (int offset_x, int offset_y) {
int x, y, index;
for (x = 0; (x < (render_width () - SIDE_SIZE) / (BASE_SIZE * render_zoom)) && (x < world_width); ++x) {
for (y = 0; (y < render_height () / (BASE_SIZE * render_zoom)) && (y < world_height); ++y) {
render_sprite (ashlands, (int) (x * BASE_SIZE * render_zoom), (int) (y * BASE_SIZE * render_zoom),
0,
world [0] [(offset_x + x) * world_height + offset_y + y] * BASE_SIZE, BASE_SIZE, BASE_SIZE);
}
}
(void)index;
/*for (index = 0; index < world_model_limit; ++index) {
if (world_model_x [0] [index] < offset_x) continue;
if (world_model_y [0] [index] < offset_y) continue;
if (world_model_x [0] [index] > (render_width () - SIDE_SIZE) / (BASE_SIZE * render_zoom)) continue;
if (world_model_y [0] [index] > render_height () / (BASE_SIZE * render_zoom)) continue;
x = (int) ((world_model_x [0] [index] - offset_x) * BASE_SIZE * render_zoom);
y = (int) ((world_model_y [0] [index] - offset_y) * BASE_SIZE * render_zoom);
render_sprite (model_1_1, x, y, 0, world_model [0] [index] * BASE_SIZE, BASE_SIZE, BASE_SIZE);
}*/
}
void bind (int signal_id, void (* action) (void)) {
action_list [signal_id] = action;
}
void unbind (int signal_id) {
action_list [signal_id] = idle_game;
}
void engine_configure (void) {
int index;
for (index = 0; index < signal_count; ++index) {
unbind (index);
}
bind (signal_escape, exit_game);
bind (signal_up, camera_move_up);
bind (signal_down, camera_move_down);
bind (signal_left, camera_move_left);
bind (signal_right, camera_move_right);
bind (signal_t, show_trait_menu);
bind (signal_s, show_skill_menu);
bind (signal_v, show_value_menu);
define_menu (0);
define_menu (0);
define_menu (1);
for (index = 0; index < trait_count; ++index) {
define_minimenu (menu_traits, trait_name [index], index, 0);
}
for (index = 0; index < skill_count; ++index) {
define_minimenu (menu_skills, skill_name [index], 3 + index, 0);
}
for (index = 0; index < value_count; ++index) {
define_minimenu (menu_values, value_name [index], 27 + index, 0);
}
}
void engine_synchronize (void) {
action_list [signal] ();
}