File Sprite.cpp

File List > scene > Sprite.cpp

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#include "Sprite.h"
#include "MeshData.h"
#include "Camera.h"

#include "xdz_math.h"

std::string Sprite::fileroot = "res/tex/sprite/";

Sprite::Sprite()
{
    o_type = GO_SPRITE;

    SetSpriteShader();

    o_name = "Sprite." + std::to_string(GetObjectID());

}

void Sprite::RenderSprite(const Context& ctx, const glm::vec3& pos, const glm::vec3& col, int id)
{
    const Camera* cam = dynamic_cast<const Camera*>(ctx.scene.GetActiveCamera());
    if (!cam) return;

    spr_shader.UseShader();
    spr_tex.Bind(Texture::RGBA_TEXTURE);

    // transform settings

    spr_shader.SetValue("U_pos", pos);
    spr_shader.SetValue("U_col", col);
    spr_shader.SetValue("ID_color", xdzm::get_id_color(id));
    spr_shader.SetValue("RAND_color", xdzm::get_random_color(id));

    if(cam->is_invUniform_changed)
        spr_shader.SetValue("U_cam_trans", cam->o_InvTransform);

    if(cam->is_frustum_changed)
        spr_shader.SetValue("U_ProjectM", cam->cam_frustum);

    // light settings

    spr_shader.SetValue("SpriteOpacity", spr_opacity);
    spr_shader.SetValue("U_Scale", SPRITE_SIZE);

    MeshLib::Square->RenderObjProxy();
}

void Sprite::RenderSprite(const Context& ctx)
{
    const Camera* cam = dynamic_cast<const Camera*>(ctx.scene.GetActiveCamera());
    if (!cam) return;

    if (cam->is_invUniform_changed)
        spr_shader.SetValue("U_cam_trans", cam->o_InvTransform);

    if (cam->is_frustum_changed)
        spr_shader.SetValue("U_ProjectM", cam->cam_frustum);

    spr_shader.SetValue("SpriteOpacity", spr_opacity);
    spr_shader.SetValue("U_Scale", SPRITE_SIZE);
    //light settings

    MeshLib::Square->RenderObjProxy();
}

void Sprite::SetSpriteShader()
{
    spr_shader = RenderShader("SpriteShader");
    spr_shader.UseShader();
    spr_shader.SetValue("ID_color", xdzm::get_id_color(GetObjectID()));
    spr_shader.SetValue("RAND_color", xdzm::get_random_color(GetObjectID()));
    spr_shader.UnuseShader();
}

void Sprite::SetTex()
{
    spr_tex = Texture(ParsePath(), Texture::RGBA_TEXTURE, GL_REPEAT);

    spr_shader.UseShader();
    //o_shader.SetValue("blen", 0.5f);
    spr_shader.SetValue("U_color", 1.0f, 0.0f, 1.0f, 1.0f);
    spr_shader.SetValue("U_Texture", Texture::RGBA_TEXTURE);
    spr_shader.UnuseShader();
}

std::string Sprite::ParsePath() const
{
    switch (spr_type)
    {
    case NONE_SPRITE:
        return Sprite::fileroot + "BAKED.png";
    case POINT_LIGHT_SPRITE:
        return Sprite::fileroot + "light.png";
    case SUN_LIGHT_SPRITE:
        return Sprite::fileroot + "sun-bright.png";
    case SPOT_LIGHT_SPRITE:
        return Sprite::fileroot + "spot-bright.png";
    case CAM_SPRITE:
        return Sprite::fileroot + "BAKED.png";
    case ENVIRN_SPRITE:
        return Sprite::fileroot + "cloud.png";
    }
    return "???";
}