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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include "ITreeDrawer.h"
#include "BasicTreeDrawer.h"
#include "AdvTreeDrawer.h"
#include "Game/Camera.h"
#include "Rendering/GlobalRendering.h"
#include "Sim/Features/FeatureHandler.h"
#include "Sim/Features/Feature.h"
#include "Sim/Misc/GlobalConstants.h"
#include "System/Config/ConfigHandler.h"
#include "System/EventHandler.h"
#include "System/Exceptions.h"
#include "System/Log/ILog.h"
#include "System/myMath.h"
CONFIG(int, TreeRadius)
.defaultValue((int) (5.5f * 256))
.minimumValue(0);
CONFIG(bool, 3DTrees).defaultValue(true).safemodeValue(false).description("Defines whether or not the trees generated by the engine (Default trees) will be shown as 3d or as cross sectioned ( + ) flat sides.");
ITreeDrawer* treeDrawer = NULL;
ITreeDrawer::ITreeDrawer()
: CEventClient("[ITreeDrawer]", 314444, false), drawTrees(true)
{
eventHandler.AddClient(this);
baseTreeDistance = configHandler->GetInt("TreeRadius") / 256.0f;
}
ITreeDrawer::~ITreeDrawer() {
eventHandler.RemoveClient(this);
configHandler->Set("TreeRadius", (unsigned int) (baseTreeDistance * 256));
}
void ITreeDrawer::AddTrees()
{
const CFeatureSet& features = featureHandler->GetActiveFeatures();
for (CFeatureSet::const_iterator it = features.begin(); it != features.end(); ++it) {
const CFeature* f = *it;
if (f->def->drawType >= DRAWTYPE_TREE) {
AddTree(f->id, f->def->drawType - 1, f->pos, 1.0f);
}
}
}
ITreeDrawer* ITreeDrawer::GetTreeDrawer()
{
ITreeDrawer* td = NULL;
try {
if (configHandler->GetBool("3DTrees")) {
td = new CAdvTreeDrawer();
}
} catch (const content_error& e) {
if (e.what()[0] != '\0') {
LOG_L(L_ERROR, "%s", e.what());
}
LOG("TreeDrawer: Fallback to BasicTreeDrawer.");
// td can not be != NULL here
//delete td;
}
if (!td) {
td = new CBasicTreeDrawer();
}
td->AddTrees();
return td;
}
void ITreeDrawer::DrawShadowPass()
{
}
void ITreeDrawer::Draw(bool drawReflection)
{
const float maxDistance = CGlobalRendering::MAX_VIEW_RANGE / (SQUARE_SIZE * TREE_SQUARE_SIZE);
const float treeDistance = Clamp(baseTreeDistance, 1.0f, maxDistance);
// call the subclasses draw method
Draw(treeDistance, drawReflection);
}
void ITreeDrawer::Update()
{
std::vector<GLuint>::iterator i;
for (i = delDispLists.begin(); i != delDispLists.end(); ++i) {
glDeleteLists(*i, 1);
}
delDispLists.clear();
}
void ITreeDrawer::RenderFeatureCreated(const CFeature* feature) {
// support /give'ing tree objects
if (feature->def->drawType >= DRAWTYPE_TREE) {
AddTree(feature->id, feature->def->drawType - 1, feature->pos, 1.0f);
}
}
void ITreeDrawer::RenderFeatureMoved(const CFeature* feature, const float3& oldpos, const float3& newpos) {
if (feature->def->drawType >= DRAWTYPE_TREE) {
DeleteTree(feature->id, oldpos);
AddTree(feature->id, feature->def->drawType - 1, newpos, 1.0f);
}
}
void ITreeDrawer::RenderFeatureDestroyed(const CFeature* feature) {
if (feature->def->drawType >= DRAWTYPE_TREE) {
DeleteTree(feature->id, feature->pos);
if (feature->speed.SqLength2D() > 0.25f) {
AddFallingTree(feature->id, feature->def->drawType - 1, feature->pos, feature->speed);
}
}
}
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