umorna/source/engine.c

#include "engine.h"

int camera_x = 30;
int camera_y = 30;

void view_unit (int race, int unit, int x, int y) {
	int u, v, width, height;

	u      = 0;
	v      = (unit - race * 18) * BASE_SIZE;
	width  = BASE_SIZE;
	height = BASE_SIZE;

	switch (race) {
		case orc:   render_sprite (orcs,   x, y, u, v, width, height); break;
		case human: render_sprite (humans, x, y, u, v, width, height); break;
		case elf:   render_sprite (elves,  x, y, u, v, width, height); break;
		default:                                                       break;
	}
}

void view_menu (int menu, int align, int x, int y) {
	int item, width, height, aligned_x, aligned_y, u, v;

	if (menu_show [menu] == 0) {
		return;
	}

	width  = (int) strlen (menu_text [menu] [0]);
	height = menu_items [menu];
	aligned_x = (align == 0) ? x : ((render_width  () - ICON_SIZE * width)  / 2);
	aligned_y = (align == 0) ? y : ((render_height () - ICON_SIZE * height) / 2);

	for (item = 0; item < menu_items [menu]; ++item) {
		u = (menu_icon [menu] [item] / 10) * ICON_SIZE;
		v = (menu_icon [menu] [item] % 10) * ICON_SIZE;

		render_sprite (ui, aligned_x, aligned_y + item * ICON_SIZE, u, v, ICON_SIZE, ICON_SIZE);
		render_string (menu_text [menu] [item], aligned_x + ICON_SIZE, aligned_y + item * ICON_SIZE);
	}
}

void view_hud (int alpha, int width, int height, int x, int y) {
	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 = 1; i < width; ++i) {
		render_sprite (neonui, x + i * ICON_SIZE, y,                                560, 0, ICON_SIZE, ICON_SIZE);
		render_sprite (neonui, x + i * ICON_SIZE, y + ICON_SIZE * (height - 1) + v, 560, 0, ICON_SIZE, ICON_SIZE);
	}

	for (i = 1; i < height - 1; ++i) {
		render_sprite (neonui, x,                               y + i * ICON_SIZE,     256, 128, ICON_SIZE, ICON_SIZE);
		render_sprite (neonui, x + ICON_SIZE * (width - 1) + u, y + i * ICON_SIZE + v, 256, 128, ICON_SIZE, ICON_SIZE);
	}

	render_sprite (neonui, x,                               y,                                288,  0, 3 * ICON_SIZE, 3 * ICON_SIZE);
	render_sprite (neonui, x + ICON_SIZE * (width - 3) + u, y,                                384,  0, 3 * ICON_SIZE, 3 * ICON_SIZE);
	render_sprite (neonui, x,                               y + ICON_SIZE * (height - 3) + v, 288, 96, 3 * ICON_SIZE, 3 * ICON_SIZE);
	render_sprite (neonui, x + ICON_SIZE * (width - 3) + u, y + ICON_SIZE * (height - 3) + v, 384, 96, 3 * ICON_SIZE, 3 * ICON_SIZE);
}

void view_neon_menu (int menu, int align, int x, int y) {
	int item, aligned_x, aligned_y, i, j;

	if (menu_show [menu] == 0) {
		return;
	}

	i = (int) strlen (menu_text [menu] [0]) + 4;
	j = menu_items [menu] + 4;

	aligned_x = (align == 0) ? x : ((render_width  () - ICON_SIZE * i) / 2);
	aligned_y = (align == 0) ? y : ((render_height () - ICON_SIZE * j) / 2);

	view_hud (menu_alpha [menu], i * ICON_SIZE, j * ICON_SIZE, aligned_x, aligned_y);

	aligned_x += 2 * ICON_SIZE;
	aligned_y += 2 * 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;

	for (x = 0; x < (render_width () - SIDE_SIZE) / (BASE_SIZE * render_zoom); ++x) {
		for (y = 0; y < render_height () / (BASE_SIZE * render_zoom); ++y) {
			render_sprite (ashlands, (int) (x * BASE_SIZE * render_zoom), (int) (y * BASE_SIZE * render_zoom), 0,
				chad_world [0] [offset_x + x] [offset_y + y] * BASE_SIZE, BASE_SIZE, BASE_SIZE);
		}
	}
}

void view_base_1 (int index, int x, int y) {
	render_sprite (base_1, x, y, 0, index * 7 * BASE_SIZE, 10 * BASE_SIZE, 7 * BASE_SIZE);
}

void view_base_2 (int index, int x, int y) {
	render_sprite (base_2, x, y, 0, index * 10 * BASE_SIZE, 15 * BASE_SIZE, 10 * BASE_SIZE);
}

void view_side_hud (void) {
	return;
}