src/Objects/sprite_object.c - master - Zamar_Terrier/TigorEngine

src/Objects/sprite_object.c
132 строки3 KB
Ilia Zamaruev
hot fix
17 ноя 2025, 17:55
17 ноя 2025, 17:55732330d
#include "Objects/sprite_object.h"

#include <vulkan/vulkan.h>

#include "Variabels/engine_includes.h"

#include "Core/pipeline.h"
#include "Core/e_buffer.h"
#include "Core/e_memory.h"
#include "Core/e_blue_print.h"

#include "Tools/e_shaders.h"
#include "Tools/intersections2D.h"

#include "Data/e_resource_data.h"
#include "Data/e_resource_engine.h"

void SpriteObjectCreateQuad(SpriteObject *so)
{
    Vertex2D *verts = AllocateMemory(4, sizeof(Vertex2D));

    verts[0].position.x = -1.0f;
    verts[0].position.y = -1.0f;
    verts[0].texCoord.x = 0;
    verts[0].texCoord.y = 0;

    verts[1].position.x = 1.0f;
    verts[1].position.y = -1.0f;
    verts[1].texCoord.x = 1.0f;
    verts[1].texCoord.y = 0;

    verts[2].position.x = 1.0f;
    verts[2].position.y = 1.0f;
    verts[2].texCoord.x = 1.0f;
    verts[2].texCoord.y = 1.0f;

    verts[3].position.x = -1.0f;
    verts[3].position.y = 1.0f;
    verts[3].texCoord.x = 0;
    verts[3].texCoord.y = 1.0f;
    
    for(int i=0;i < 4;i++)
    {
        verts[i].color = (vec4){ 1, 1, 1, 1};
    }

    uint32_t *tIndx = AllocateMemory(6, sizeof(uint32_t));

    uint32_t indx[] = {
      0, 1, 2, 2, 3, 0
    };

    memcpy(tIndx, indx, 6 * sizeof(uint32_t));

    VertextIterator vi = {0};
    vi.i_index = 6;
    vi.v_index = 4;
    GraphicsObjectSetVertex(&so->go.graphObj, verts, sizeof(Vertex2D), tIndx, &vi);

    FreeMemory(verts);
    FreeMemory(tIndx);
}

int SpriteObjectInit(SpriteObject *so, DrawParam *dParam){

    GameObject2DInit((GameObject2D *)so, TIGOR_GAME_OBJECT_TYPE_2D);

    SpriteObjectCreateQuad(so);

    if(dParam != NULL){
        so->go.image = AllocateMemory(1, sizeof(GameObjectImage));

        GameObject2DInitTextures((GameObject2D *)&so->go, dParam);
    }

    so->go.graphObj.num_shapes = 1;
    
    so->go.self.flags |= TIGOR_GAME_OBJECT_FLAG_PREINIT;
    
    return 1;
}

void SpriteObjectSetOffsetRect(SpriteObject *so, float x, float y, float width, float height)
{
    Vertex2D *verts = so->go.graphObj.shapes[0].vParam.vertices;

    if(so->go.image->imgWidth == 0 || so->go.image->imgHeight == 0){

        if(so->go.self.flags & TIGOR_GAME_OBJECT_FLAG_ERROR_IMAGE){
            so->go.image->imgWidth = EMPTY_IMAGE_WIDTH;
            so->go.image->imgHeight = EMPTY_IMAGE_HEIGHT;
            return;
        }
        
        ImageFileData fileData;

        fileData.path = so->go.image->path;
        fileData.buffer = so->go.image->buffer;
        fileData.buff_size = so->go.image->size;

        ImageLoadFile(&fileData, 1);

        so->go.image->imgWidth = fileData.texWidth;
        so->go.image->imgHeight = fileData.texHeight;

        free(fileData.data);
    }

    float temp_x = x / so->go.image->imgWidth;
    float temp_y = y / so->go.image->imgHeight;

    width /= so->go.image->imgWidth;
    height /= so->go.image->imgHeight;

    verts[0].texCoord.x = temp_x;
    verts[0].texCoord.y = temp_y;

    verts[1].texCoord.x = temp_x + width;
    verts[1].texCoord.y = temp_y;

    verts[2].texCoord.x = temp_x + width;
    verts[2].texCoord.y = temp_y + height;

    verts[3].texCoord.x = temp_x;
    verts[3].texCoord.y = temp_y + height;

    BuffersUpdateVertex(&so->go.graphObj.shapes[0].vParam);
}

int SpriteObjectSpritesIsCollided(SpriteObject *sprite1, SpriteObject *sprite2){
    return IntersectionSquareOOBSquareOOB(sprite1, sprite2).collisions.num_points > 0;
}