Split in_world.cpp into three files

2015-01-17 22:09:14 +11:00
parent 9b2e78a68e
commit dacb8df674
4 changed files with 761 additions and 704 deletions
@@ -0,0 +1,196 @@
+/* Copyright: (c) Kayne Ruse 2013-2015
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#include "in_world.hpp"
+
+#include "channels.hpp"
+
+#include <iostream>
+#include <sstream>
+#include <stdexcept>
+
+//-------------------------
+//entity management
+//-------------------------
+
+//DOCS: preexisting characters will result in query responses
+//DOCS: new characters will result in create messages
+//DOCS: this client's character will exist in both (skipped)
+
+void InWorld::HandleCharacterCreate(CharacterPacket* const argPacket) {
+	//prevent double message
+	if (characterMap.find(argPacket->characterIndex) != characterMap.end()) {
+		std::ostringstream msg;
+		msg << "Double character creation event; ";
+		msg << "Index: " << argPacket->characterIndex << "; ";
+		msg << "Handle: " << argPacket->handle;
+		throw(std::runtime_error(msg.str()));
+	}
+
+	//implicity create and retrieve the entity
+	BaseCharacter* character = &characterMap[argPacket->characterIndex];
+
+	//fill the character's info
+	character->SetOrigin(argPacket->origin);
+	character->SetMotion(argPacket->motion);
+	character->SetBounds({CHARACTER_BOUNDS_X, CHARACTER_BOUNDS_Y, CHARACTER_BOUNDS_WIDTH, CHARACTER_BOUNDS_HEIGHT});
+	character->SetHandle(argPacket->handle);
+	character->SetAvatar(argPacket->avatar);
+	character->SetOwner(argPacket->accountIndex);
+	character->CorrectSprite();
+
+	//check for this player's character
+	if (character->GetOwner() == accountIndex) {
+		localCharacter = static_cast<LocalCharacter*>(character);
+
+		//focus the camera on this character
+		camera.marginX = (camera.width / 2 - localCharacter->GetSprite()->GetImage()->GetClipW() / 2);
+		camera.marginY = (camera.height/ 2 - localCharacter->GetSprite()->GetImage()->GetClipH() / 2);
+
+		//focus on this character's info
+		characterIndex = argPacket->characterIndex;
+		roomIndex = argPacket->roomIndex;
+	}
+
+	//debug
+	std::cout << "Create, total: " << characterMap.size() << std::endl;
+}
+
+void InWorld::HandleCharacterDelete(CharacterPacket* const argPacket) {
+	//ignore if this character doesn't exist
+	std::map<int, BaseCharacter>::iterator characterIt = characterMap.find(argPacket->characterIndex);
+	if (characterIt == characterMap.end()) {
+		return;
+	}
+
+	//check for this player's character
+	if ((*characterIt).second.GetOwner() == accountIndex) {
+		localCharacter = nullptr;
+
+		//clear the camera
+		camera.marginX = 0;
+		camera.marginY = 0;
+
+		//clear the room
+		roomIndex = -1;
+	}
+
+	//remove this character
+	characterMap.erase(characterIt);
+
+	//debug
+	std::cout << "Delete, total: " << characterMap.size() << std::endl;
+}
+
+void InWorld::HandleCharacterQueryExists(CharacterPacket* const argPacket) {
+	//prevent a double message about this player's character
+	if (argPacket->accountIndex == accountIndex) {
+		return;
+	}
+
+	//ignore characters in a different room (sub-optimal)
+	if (argPacket->roomIndex != roomIndex) {
+		return;
+	}
+
+	//implicitly construct the character if it doesn't exist
+	BaseCharacter* character = &characterMap[argPacket->characterIndex];
+
+	//set/update the character's info
+	character->SetOrigin(argPacket->origin);
+	character->SetMotion(argPacket->motion);
+	character->SetBounds({CHARACTER_BOUNDS_X, CHARACTER_BOUNDS_Y, CHARACTER_BOUNDS_WIDTH, CHARACTER_BOUNDS_HEIGHT});
+	character->SetHandle(argPacket->handle);
+	character->SetAvatar(argPacket->avatar);
+	character->SetOwner(argPacket->accountIndex);
+	character->CorrectSprite();
+
+	//debug
+	std::cout << "Query, total: " << characterMap.size() << std::endl;
+}
+
+void InWorld::HandleCharacterMovement(CharacterPacket* const argPacket) {
+	//TODO: Authentication
+	if (argPacket->characterIndex == characterIndex) {
+		return;
+	}
+
+	//check that this character exists
+	std::map<int, BaseCharacter>::iterator characterIt = characterMap.find(argPacket->characterIndex);
+	if (characterIt != characterMap.end()) {
+		//set the origin and motion
+		characterIt->second.SetOrigin(argPacket->origin);
+		characterIt->second.SetMotion(argPacket->motion);
+		characterIt->second.CorrectSprite();
+	}
+}
+
+void InWorld::HandleCharacterAttack(CharacterPacket* const argPacket) {
+	//TODO: attack animation
+}
+
+//-------------------------
+//player movement
+//-------------------------
+
+//TODO: add a "movement" packet type
+void InWorld::SendLocalCharacterMovement() {
+	CharacterPacket newPacket;
+	newPacket.type = SerialPacketType::CHARACTER_MOVEMENT;
+
+	newPacket.accountIndex = accountIndex;
+	newPacket.characterIndex = characterIndex;
+	newPacket.roomIndex = roomIndex;
+	newPacket.origin = localCharacter->GetOrigin();
+	newPacket.motion = localCharacter->GetMotion();
+
+	network.SendTo(Channels::SERVER, &newPacket);
+}
+
+std::list<BoundingBox> InWorld::GenerateCollisionGrid(Entity* ptr, int tileWidth, int tileHeight) {
+	//prepare for collisions
+	BoundingBox wallBounds = {0, 0, tileWidth, tileHeight};
+	std::list<BoundingBox> boxList;
+
+	//NOTE: for loops were too dense to work with, so I've just used while loops
+
+	//outer loop
+	wallBounds.x = snapToBase((double)wallBounds.w, ptr->GetOrigin().x);
+	while(wallBounds.x < (ptr->GetOrigin() + ptr->GetBounds()).x + ptr->GetBounds().w) {
+		//inner loop
+		wallBounds.y = snapToBase((double)wallBounds.h, ptr->GetOrigin().y);
+		while(wallBounds.y < (ptr->GetOrigin() + ptr->GetBounds()).y + ptr->GetBounds().h) {
+			//check to see if this tile is solid
+			if (regionPager.GetSolid(wallBounds.x / wallBounds.w, wallBounds.y / wallBounds.h)) {
+				//push onto the box set
+				boxList.push_front(wallBounds);
+			}
+
+			//increment
+			wallBounds.y += wallBounds.h;
+		}
+
+		//increment
+		wallBounds.x += wallBounds.w;
+	}
+
+	return std::move(boxList);
+}