Kayne Ruse
99 lines
3.2 KiB
C++
99 lines
3.2 KiB
C++
/* 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 "world.hpp"
|
|
|
|
#include "channels.hpp"
|
|
#include "region_checksum.hpp"
|
|
|
|
#include <iostream>
|
|
|
|
//-------------------------
|
|
//map management
|
|
//-------------------------
|
|
|
|
void World::SendRegionRequest(int roomIndex, int x, int y) {
|
|
//debugging
|
|
// std::cout << "SendRegionRequest(" << roomIndex << ", " << x << ", " << y << ")" << std::endl;
|
|
|
|
RegionPacket packet;
|
|
|
|
//pack the region's data
|
|
packet.type = SerialPacketType::REGION_REQUEST;
|
|
packet.roomIndex = roomIndex;
|
|
packet.x = x;
|
|
packet.y = y;
|
|
|
|
network.SendTo(Channels::SERVER, &packet);
|
|
}
|
|
|
|
void World::hRegionContent(RegionPacket* const argPacket) {
|
|
//debugging
|
|
std::cout << "hRegionContent(" << roomIndex << ", " << argPacket->x << ", " << argPacket->y << ")" << std::endl;
|
|
|
|
//checksum
|
|
if (debugRegionSum(argPacket->region) == 0) {
|
|
std::cout << "Received checksum failed: " << argPacket->x << ", " << argPacket->y << std::endl;
|
|
}
|
|
|
|
//replace existing regions
|
|
regionPager.UnloadIf([&](Region const& region) -> bool {
|
|
return region.GetX() == argPacket->x && region.GetY() == argPacket->y;
|
|
});
|
|
regionPager.PushRegion(argPacket->region);
|
|
|
|
//clean up after the serial code
|
|
delete argPacket->region;
|
|
argPacket->region = nullptr;
|
|
}
|
|
|
|
void World::UpdateMap() {
|
|
if (roomIndex == -1) {
|
|
return;
|
|
}
|
|
|
|
//these represent the zone of regions that the client needs loaded, including the mandatory buffers (+1/-1)
|
|
int xStart = snapToBase(REGION_WIDTH, camera.x/tileSheet.GetTileW()) - REGION_WIDTH;
|
|
int xEnd = snapToBase(REGION_WIDTH, (camera.x+camera.width)/tileSheet.GetTileW()) + REGION_WIDTH;
|
|
|
|
int yStart = snapToBase(REGION_HEIGHT, camera.y/tileSheet.GetTileH()) - REGION_HEIGHT;
|
|
int yEnd = snapToBase(REGION_HEIGHT, (camera.y+camera.height)/tileSheet.GetTileH()) + REGION_HEIGHT;
|
|
|
|
//prune distant regions
|
|
regionPager.GetContainer()->remove_if([&](Region const& region) -> bool {
|
|
return region.GetX() < xStart || region.GetX() > xEnd || region.GetY() < yStart || region.GetY() > yEnd;
|
|
});
|
|
|
|
//request empty regions within this zone
|
|
for (int i = xStart; i <= xEnd; i += REGION_WIDTH) {
|
|
for (int j = yStart; j <= yEnd; j += REGION_HEIGHT) {
|
|
if (!regionPager.FindRegion(i, j)) {
|
|
SendRegionRequest(roomIndex, i, j);
|
|
}
|
|
else {
|
|
//checksum
|
|
if (debugRegionSum(regionPager.FindRegion(i, j)) == 0) {
|
|
std::cout << "Existing checksum failed: " << roomIndex << ", " << i << ", " << j << std::endl;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} |