ModelLight.cpp

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#include "ModelLight.h"
 
#include <glm/gtc/type_ptr.hpp>
 
#include "wow_enums.h"
#include "Logger.h"
 
void ModelLight::init(GameFile* f, ModelLightDef& mld, std::vector<uint32>& global)
{
    tpos = pos = mld.pos;
    tdir = dir = glm::vec3(0, 1, 0); // no idea
    type = mld.type;
    parent = mld.bone;
    ambColor.init(mld.ambientColor, f, global);
    ambIntensity.init(mld.ambientIntensity, f, global);
    diffColor.init(mld.diffuseColor, f, global);
    diffIntensity.init(mld.diffuseIntensity, f, global);
    AttenStart.init(mld.attenuationStart, f, global);
    AttenEnd.init(mld.attenuationEnd, f, global);
    UseAttenuation.init(mld.useAttenuation, f, global);
}
 
void ModelLight::setup(size_t time, GLuint l)
{
    glm::vec4 ambcol(ambColor.getValue(0, time) * ambIntensity.getValue(0, time), 1.0f);
    glm::vec4 diffcol(diffColor.getValue(0, time) * diffIntensity.getValue(0, time), 1.0f);
    glm::vec4 p;
    if (type == MODELLIGHT_DIRECTIONAL)
    {
        // directional
        p = glm::vec4(tdir, 0.0f);
    }
    else if (type == MODELLIGHT_POINT)
    {
        // point
        p = glm::vec4(tpos, 1.0f);
    }
    else
    {
        p = glm::vec4(tpos, 1.0f);
        LOG_ERROR << "Light type" << type << "is unknown.";
    }
    //gLog("Light %d (%f,%f,%f) (%f,%f,%f) [%f,%f,%f]\n", l-GL_LIGHT4, ambcol.x, ambcol.y, ambcol.z, diffcol.x, diffcol.y, diffcol.z, p.x, p.y, p.z);
    glLightfv(l, GL_POSITION, glm::value_ptr(p));
    glLightfv(l, GL_DIFFUSE, glm::value_ptr(diffcol));
    glLightfv(l, GL_AMBIENT, glm::value_ptr(ambcol));
    glEnable(l);
}