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Scenery.cpp
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Scenery.cpp
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/*
* Copyright (C) 2013 Me and My Shadow
*
* This file is part of Me and My Shadow.
*
* Me and My Shadow is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Me And My Shadow is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Me and My Shadow. If not, see <http://www.gnu.org/licenses/>.
*/
#include "GameObjects.h"
#include "Scenery.h"
#include "Functions.h"
#include "LevelEditor.h"
#include "POASerializer.h"
#include <iostream>
#include <sstream>
#include <stdlib.h>
#include <stdio.h>
using namespace std;
#include "libs/tinyformat/tinyformat.h"
Scenery::Scenery(Game* objParent) :
GameObject(objParent),
xSave(0),
ySave(0),
dx(0),
dy(0),
themeBlock(NULL),
repeatMode(0)
{}
Scenery::Scenery(Game* objParent, int x, int y, int w, int h, const std::string& sceneryName) :
GameObject(objParent),
xSave(0),
ySave(0),
dx(0),
dy(0),
themeBlock(NULL),
repeatMode(0)
{
box.x = boxBase.x = x;
box.y = boxBase.y = y;
box.w = boxBase.w = w;
box.h = boxBase.h = h;
if (sceneryName.empty()) {
themeBlock = &internalThemeBlock;
} else {
// Load the appearance.
themeBlock = objThemes.getScenery(sceneryName);
if (themeBlock) {
sceneryName_ = sceneryName;
} else {
fprintf(stderr, "ERROR: Can't find scenery with name '%s'.\n", sceneryName.c_str());
themeBlock = &internalThemeBlock;
}
}
themeBlock->createInstance(&appearance);
appearanceInitial = appearanceSave = appearance;
}
Scenery::~Scenery(){
//Destroy the themeBlock since it isn't needed anymore.
internalThemeBlock.destroy();
}
static inline int getNewCoord(unsigned char rm, int default_, int cameraX, int cameraW, int levelX, int levelW, int offset) {
switch (rm) {
case Scenery::NEGATIVE_INFINITY:
return cameraX;
case Scenery::ZERO:
return std::max(cameraX, levelX + offset);
case Scenery::LEVEL_SIZE:
return std::min(cameraX + cameraW, levelX + levelW + offset);
case Scenery::POSITIVE_INFINITY:
return cameraX + cameraW;
default:
return default_;
}
}
void Scenery::show(SDL_Renderer& renderer) {
showScenery(renderer, 0, 0);
}
void Scenery::showScenery(SDL_Renderer& renderer, int offsetX, int offsetY) {
//The box which is offset by the input.
const SDL_Rect box = {
this->box.x + offsetX,
this->box.y + offsetY,
this->box.w,
this->box.h,
};
//The real box according to repeat mode.
SDL_Rect theBox = {
getNewCoord(repeatMode, box.x, camera.x, camera.w, parent->levelRect.x, parent->levelRect.w, offsetX),
getNewCoord(repeatMode >> 16, box.y, camera.y, camera.h, parent->levelRect.x, parent->levelRect.w, offsetX),
getNewCoord(repeatMode >> 8, box.x + box.w, camera.x, camera.w, parent->levelRect.y, parent->levelRect.h, offsetY),
getNewCoord(repeatMode >> 24, box.y + box.h, camera.y, camera.h, parent->levelRect.y, parent->levelRect.h, offsetY),
};
theBox.w -= theBox.x;
theBox.h -= theBox.y;
//Check if the scenery is visible.
if (theBox.w > 0 && theBox.h > 0 && checkCollision(camera, theBox)) {
//Snap the size to integral multiple of box.w and box.h
if (box.w > 1) {
theBox.w += theBox.x;
if (repeatMode & 0xFFu) {
theBox.x = box.x + int(floor(float(theBox.x - box.x) / float(box.w))) * box.w;
}
if (repeatMode & 0xFF00u) {
theBox.w = box.x + int(ceil(float(theBox.w - box.x) / float(box.w))) * box.w;
}
theBox.w -= theBox.x;
}
if (box.h > 1) {
theBox.h += theBox.y;
if (repeatMode & 0xFF0000u) {
theBox.y = box.y + int(floor(float(theBox.y - box.y) / float(box.h))) * box.h;
}
if (repeatMode & 0xFF000000u) {
theBox.h = box.y + int(ceil(float(theBox.h - box.y) / float(box.h))) * box.h;
}
theBox.h -= theBox.y;
}
//Now draw normal.
if (theBox.w > 0 && theBox.h > 0) {
appearance.draw(renderer, theBox.x - camera.x, theBox.y - camera.y, theBox.w, theBox.h);
}
}
//Draw some stupid icons in edit mode.
if (stateID == STATE_LEVEL_EDITOR && checkCollision(camera, box)) {
auto bmGUI = static_cast<LevelEditor*>(parent)->getGuiTexture();
if (!bmGUI) {
return;
}
int x = box.x - camera.x + 2;
//Draw a stupid icon for custom scenery.
if (themeBlock == &internalThemeBlock) {
const SDL_Rect r = { 48, 16, 16, 16 };
const SDL_Rect dstRect = { x, box.y - camera.y + 2, 16, 16 };
SDL_RenderCopy(&renderer, bmGUI.get(), &r, &dstRect);
x += 16;
}
//Draw a stupid icon for horizonal repeat.
if (repeatMode & 0x0000FFFFu) {
const SDL_Rect r = { 64, 32, 16, 16 };
const SDL_Rect dstRect = { x, box.y - camera.y + 2, 16, 16 };
SDL_RenderCopy(&renderer, bmGUI.get(), &r, &dstRect);
x += 16;
}
//Draw a stupid icon for vertical repeat.
if (repeatMode & 0xFFFF0000u) {
const SDL_Rect r = { 64, 48, 16, 16 };
const SDL_Rect dstRect = { x, box.y - camera.y + 2, 16, 16 };
SDL_RenderCopy(&renderer, bmGUI.get(), &r, &dstRect);
x += 16;
}
}
}
SDL_Rect Scenery::getBox(int boxType){
SDL_Rect r={0,0,0,0};
switch(boxType){
case BoxType_Base:
return boxBase;
case BoxType_Previous:
r.x=box.x-dx;
r.y=box.y-dy;
r.w=box.w;
r.h=box.h;
return r;
case BoxType_Delta:
r.x=dx;
r.y=dy;
return r;
case BoxType_Velocity:
return r;
case BoxType_Current:
return box;
}
return r;
}
void Scenery::setLocation(int x,int y){
//The scenery has moved so calculate the delta.
dx=x-box.x;
dy=y-box.y;
//And set its new location.
box.x=x;
box.y=y;
}
void Scenery::saveState(){
//Store the location.
xSave=box.x-boxBase.x;
ySave=box.y-boxBase.y;
//And any animations.
appearanceSave = appearance;
}
void Scenery::loadState(){
//Restore the location.
box.x=boxBase.x+xSave;
box.y=boxBase.y+ySave;
//And load the animation.
appearance = appearanceSave;
}
void Scenery::reset(bool save){
//Reset the scenery to its original location.
box.x=boxBase.x;
box.y=boxBase.y;
if(save)
xSave=ySave=0;
//Also reset the appearance.
appearance = appearanceInitial;
if (save)
appearanceSave = appearanceInitial;
}
void Scenery::playAnimation(){}
void Scenery::onEvent(int eventType){
//NOTE: Scenery should not interact with the player or vice versa.
}
int Scenery::queryProperties(int propertyType,Player* obj){
//NOTE: Scenery doesn't have any properties.
return 0;
}
void Scenery::getEditorData(std::vector<std::pair<std::string,std::string> >& obj){
obj.push_back(pair<string, string>("sceneryName", sceneryName_));
obj.push_back(pair<string, string>("customScenery", customScenery_));
obj.push_back(pair<string, string>("repeatMode", tfm::format("%d", repeatMode)));
}
void Scenery::setEditorData(std::map<std::string,std::string>& obj){
// NOTE: currently the sceneryName cannot be changed by this method.
auto it = obj.find("customScenery");
if (it != obj.end()) {
customScenery_ = it->second;
}
it = obj.find("repeatMode");
if (it != obj.end()) {
repeatMode = atoi(it->second.c_str());
}
}
std::string Scenery::getEditorProperty(const std::string& property){
//First get the complete editor data.
vector<pair<string,string> > objMap;
vector<pair<string,string> >::iterator it;
getEditorData(objMap);
//Loop through the entries.
for(it=objMap.begin();it!=objMap.end();++it){
if(it->first==property)
return it->second;
}
//Nothing found.
return "";
}
void Scenery::setEditorProperty(const std::string& property, const std::string& value){
//Create a map to hold the property.
std::map<std::string,std::string> editorData;
editorData[property]=value;
//And call the setEditorData method.
setEditorData(editorData);
}
bool Scenery::loadFromNode(ImageManager& imageManager, SDL_Renderer& renderer, TreeStorageNode* objNode){
sceneryName_.clear();
customScenery_.clear();
repeatMode = 0;
if (objNode->name == "object") {
//Make sure there are enough arguments.
if (objNode->value.size() < 2)
return false;
//Load position and size.
box.x = boxBase.x = atoi(objNode->value[0].c_str());
box.y = boxBase.y = atoi(objNode->value[1].c_str());
box.w = boxBase.w = (objNode->value.size() >= 3) ? atoi(objNode->value[2].c_str()) : 50;
box.h = boxBase.h = (objNode->value.size() >= 4) ? atoi(objNode->value[3].c_str()) : 50;
//Dump the current TreeStorageNode.
//NOTE: we temporarily remove all attributes since they are not related to theme.
std::map<std::string, std::vector<std::string> > tmpAttributes;
std::swap(objNode->attributes, tmpAttributes);
std::ostringstream o;
POASerializer().writeNode(objNode, o, false, true);
customScenery_ = o.str();
//restore old attributes
std::swap(objNode->attributes, tmpAttributes);
//Load the appearance.
if (!internalThemeBlock.loadFromNode(objNode, levels->levelpackPath, imageManager, renderer)) return false;
themeBlock = &internalThemeBlock;
themeBlock->createInstance(&appearance);
appearanceInitial = appearanceSave = appearance;
} else if (objNode->name == "scenery") {
//Make sure there are enough arguments.
if (objNode->value.size() < 3)
return false;
//Load position and size.
box.x = boxBase.x = atoi(objNode->value[1].c_str());
box.y = boxBase.y = atoi(objNode->value[2].c_str());
box.w = boxBase.w = (objNode->value.size() >= 4) ? atoi(objNode->value[3].c_str()) : 50;
box.h = boxBase.h = (objNode->value.size() >= 5) ? atoi(objNode->value[4].c_str()) : 50;
//Load the appearance.
themeBlock = objThemes.getScenery(objNode->value[0]);
if (!themeBlock) {
fprintf(stderr, "ERROR: Can't find scenery with name '%s'.\n", objNode->value[0].c_str());
return false;
}
themeBlock->createInstance(&appearance);
appearanceInitial = appearanceSave = appearance;
//Save the scenery name.
sceneryName_ = objNode->value[0];
} else {
//Unsupported node name for scenery block
fprintf(stderr, "ERROR: Unsupported node name '%s' for scenery block.\n", objNode->name.c_str());
return false;
}
auto it = objNode->attributes.find("repeatMode");
if (it != objNode->attributes.end() && it->second.size() >= 4) {
repeatMode = atoi(it->second[0].c_str())
| (atoi(it->second[1].c_str()) << 8)
| (atoi(it->second[2].c_str()) << 16)
| (atoi(it->second[3].c_str()) << 24);
}
return true;
}
bool Scenery::updateCustomScenery(ImageManager& imageManager, SDL_Renderer& renderer) {
POASerializer serializer;
std::istringstream i(customScenery_);
TreeStorageNode objNode;
//Load the node from text dump
if (!serializer.readNode(i, &objNode, true)) return false;
//Load the appearance.
if (!internalThemeBlock.loadFromNode(&objNode, levels->levelpackPath, imageManager, renderer)) return false;
themeBlock = &internalThemeBlock;
themeBlock->createInstance(&appearance);
appearanceInitial = appearanceSave = appearance;
// Clear the scenery name since we are using custom scenery
sceneryName_.clear();
return true;
}
void Scenery::move(){
//Update our appearance.
appearance.updateAnimation();
}

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