eco2d/code/foundation/src/gui/build_mode.c

131 lines
4.7 KiB
C

#include "core/camera.h"
#include "ents/item_placement.h"
static bool build_submit_placements = false;
static bool build_is_in_draw_mode = false;
extern bool inv_is_inside;
static uint8_t build_num_placements = 0;
static item_placement build_placements[BUILD_MAX_PLACEMENTS] = {0};
bool build_is_deletion_mode = false;
void buildmode_clear_buffers(void) {
item_placement empty_placement = { .x = 0.0f, .y = 0.0f, .kind = -1 };
for (size_t i = 0; i < BUILD_MAX_PLACEMENTS; i++) {
zpl_memcopy(&build_placements[i], &empty_placement, zpl_size_of(item_placement));
}
}
void buildmode_draw(void) {
if (inv_is_inside) return;
camera cam = camera_get();
camera old_cam = cam;
entity_view *e = game_world_view_active_get_entity(cam.ent_id);
if (!e) return;
float zoom = renderer_zoom_get();
float mx = 0, my = 0;
platform_get_block_realpos(&mx, &my);
cam.x = (double)mx;
cam.y = (double)my;
// NOTE(zaklaus): Check distance
double dx = old_cam.x - cam.x;
double dy = old_cam.y - cam.y;
double dsq = (dx*dx + dy*dy);
bool is_outside_range = (dsq > zpl_square(WORLD_BLOCK_SIZE*14));
if (build_submit_placements) {
build_submit_placements = false;
buildmode_clear_buffers();
}
if (IsKeyPressed(KEY_B)){
build_is_deletion_mode = !build_is_deletion_mode;
}
Item *item = &e->items[e->selected_item];
if (e->has_items && !e->inside_vehicle && item->quantity > 0 && (!is_outside_range || build_is_deletion_mode)) {
item_usage usage = 0;
uint16_t item_id = 0;
if (!build_is_deletion_mode){
item_id = item_find(item->kind);
usage = item_get_usage(item_id);
}
if (usage < UKIND_END_PLACE) {
if (IsMouseButtonPressed(MOUSE_RIGHT_BUTTON) && !build_is_in_draw_mode) {
build_is_in_draw_mode = true;
build_num_placements = 0;
buildmode_clear_buffers();
}
uint32_t qty = BUILD_MAX_PLACEMENTS;
bool directional = false;
if (!build_is_deletion_mode){
directional = item_get_place_directional(item_id);
qty = item->quantity;
}
world_block_lookup l = world_block_from_realpos((float)cam.x, (float)cam.y);
if (build_is_deletion_mode && !l.is_outer){
goto build_skip_placements;
}
if (build_is_in_draw_mode) {
for (size_t i = 0; i < BUILD_MAX_PLACEMENTS; i++) {
item_placement *it = &build_placements[i];
if (it->kind == -1) {
if (directional && build_num_placements > 2) {
float p1x = build_placements[0].x;
float p1y = build_placements[0].y;
float p2x = build_placements[1].x;
float p2y = build_placements[1].y;
float p3x = (float)cam.x;
float p3y = (float)cam.y;
float sx = zpl_sign0(p2x-p1x);
float sy = zpl_sign0(p2y-p1y);
float sxx = zpl_sign0(p3x-p1x);
float syy = zpl_sign0(p3y-p1y);
if (sx != sxx || sy != syy) break;
}
it->x = (float)cam.x;
it->y = (float)cam.y;
it->kind = 0;
build_num_placements++;
break;
} else if (it->x == (float)cam.x && it->y == (float)cam.y) {
break;
}
}
}
if (!is_outside_range)
renderer_draw_single((float)cam.x, (float)cam.y, ASSET_BUILDMODE_HIGHLIGHT, ColorAlpha(build_is_deletion_mode ? RED : WHITE, 0.2f));
build_skip_placements:
build_num_placements = zpl_min(build_num_placements, qty);
}
}
for (size_t i = 0; i < build_num_placements; i++) {
item_placement *it = &build_placements[i];
renderer_draw_single(it->x, it->y, ASSET_BUILDMODE_HIGHLIGHT, ColorAlpha(build_is_deletion_mode ? RED : WHITE, 0.4f));
}
if (build_is_in_draw_mode) {
if (IsKeyPressed(KEY_SPACE)) {
build_is_in_draw_mode = false;
buildmode_clear_buffers();
}
if (IsMouseButtonReleased(MOUSE_RIGHT_BUTTON)) {
build_submit_placements = true;
build_is_in_draw_mode = false;
}
}
}