Plus jammais on en reparle

This commit is contained in:
Marc
2023-01-21 18:25:17 +01:00
parent 814d135ada
commit 1a0ef2e90a
5 changed files with 60 additions and 30 deletions
+31 -19
View File
@@ -4,29 +4,27 @@
#include <SDL2/SDL_image.h>
#include <SDL2/SDL_render.h>
#include <SDL2/SDL_surface.h>
#include <stdio.h>
#include <string.h>
static int compartSort(const SceneObject_t * a, const SceneObject_t * b) {
return a->renderObj.z - b->renderObj.z;
}
void scene_render(Scene_t * scene) {
void scene_render(const Scene_t * scene) {
MonitorSize_t monitorSize = renderer_getMonitorSize();
int minScanX = scene->x - CAMERA_WIDTH;
int minScanY = scene->y - CAMERA_HEIGHT;
int maxScanX = scene->x + CAMERA_WIDTH;
int maxScanY = scene->y + CAMERA_HEIGHT;
printf("camera: %d %d %d %d\n", minScanX, minScanY, maxScanX, maxScanY);
for(int i = 0; i < scene->objectCount; i++) {
SceneObject_t * object = &scene->objects[i];
const SceneObject_t * object = &scene->objects[i];
if(object->x > minScanX && object->x < maxScanX && object->y > minScanY && object->y < maxScanY) {
float x = (object->x) / CAMERA_WIDTH;
float y = (object->y) / CAMERA_HEIGHT;
//the object is to be rendered
printf("%f %f\n", x, y);
SDL_Rect rect = {
round(x * monitorSize.width) ,
round(y * monitorSize.height),
@@ -54,9 +52,16 @@ static void buildCache(SceneObject_t * object) {
}
RenderId_t scene_addRenderObject(Scene_t * scene, RenderObject_t object, int x, int y) {
RenderId_t itemId = scene->objectCount++;
printf("Adding: %s\n", object.name);
scene->objects = realloc(scene->objects, scene->objectCount * sizeof(SceneObject_t));
scene->objectCount++;
RenderId_t itemId = scene->lastId++;
if(scene->objectCount * sizeof(SceneObject_t) > scene->objectArraySize) {
scene->objectArraySize = scene->objectCount * sizeof(SceneObject_t);
scene->objects = realloc(scene->objects, scene->objectArraySize);
if(scene->objects == NULL) {
printf("Realloc failed\n");
}
}
SceneObject_t item = {
x, y,
@@ -67,7 +72,8 @@ RenderId_t scene_addRenderObject(Scene_t * scene, RenderObject_t object, int x,
buildCache(&item);
scene->objects[itemId] = item;
scene->objects[scene->objectCount - 1] = item;
//the objects are sorted
qsort(scene->objects, scene->objectCount, sizeof(SceneObject_t), (__compar_fn_t)compartSort);
return itemId;
@@ -75,18 +81,23 @@ RenderId_t scene_addRenderObject(Scene_t * scene, RenderObject_t object, int x,
void scene_removeRenderObject(Scene_t * scene, RenderId_t id) {
bool found = false;
for(int i = 0; i < scene->objectCount - 1; i++) {
if(scene->objects[i].id == id) {
SDL_FreeSurface(scene->objects[i].renderObj.surface);
if(scene->objects[i].cache != NULL) {
SDL_DestroyTexture(scene->objects[i].cache);
}
}
if(found) {
scene->objects[i] = scene->objects[i + 1];
int index = 0;
for(int i = 0; i < scene->objectCount; i++) {
if(scene->objects[i].id == id){
found = true;
index = i;
break;
}
}
if(!found){
printf("object %d not found\n", id);
return;
}
scene->objectCount--;
for(int i = index; i < scene->objectCount; i++) {
scene->objects[i] = scene->objects[i + 1];
}
}
void scene_free(Scene_t * scene) {
@@ -97,6 +108,7 @@ void scene_free(Scene_t * scene) {
}
}
free(scene->objects);
scene->objectArraySize = 0;
scene->objectCount = 0;
scene->objects = NULL;
}