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// Event loop handler
// Copyright (C) 2002 David Rosen
// Copyright (C) 2003 Zachary Jack Slater
// Copyright (C) 2003 Steven Fuller
// Copyright (C) 2021 Nguyễn Gia Phong
//
// This file is part of Black Shades.
//
// Black Shades 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.
//
// Black Shades 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 Black Shades. If not, see <https://www.gnu.org/licenses/>.
#include "Game.h"
extern float multiplier;
extern int visions;
extern unsigned int gSourceID[100];
extern unsigned int gSampleSet[100];
extern Camera camera;
extern float rad2deg;
extern Fog fog;
extern int environment;
extern int slomo;
void keyCallback(Game* game, int key, int action, int mods)
{
if (game->mainmenu || action != GLFW_PRESS)
return;
auto shift = mods & GLFW_MOD_SHIFT;
auto player = game->person[0];
XYZ facing;
switch(key) {
case GLFW_KEY_L:
game->lasersight ^= 1;
break;
case GLFW_KEY_K:
if (game->debug)
game->timeremaining = 0;
break;
case GLFW_KEY_B:
if (!game->debug)
break;
alSourcePlay(gSourceID[soulinsound]);
if (shift) {
game->paused = 1 - game->paused;
} else {
auto pitch = (slomo ^= 1) ? 0.5f : 1.0f;
alSourcef(gSourceID[knifesong], AL_PITCH, pitch);
alSourcef(gSourceID[shootsong], AL_PITCH, pitch);
alSourcef(gSourceID[zombiesong], AL_PITCH, pitch);
}
break;
case GLFW_KEY_F:
if (!game->debug)
break;
alSourcePlay(gSourceID[souloutsound]);
facing = {0, 0, -1};
facing = DoRotation(facing, -camera.rotation2, 0, 0);
facing = DoRotation(facing, 0, 0 - camera.rotation, 0);
for (int i = 1; i < game->numpeople; i++) {
auto& person = game->person[i];
if (person.skeleton.free == 1
|| findDistancefast(person.playercoords,
player.playercoords) > 1000)
continue;
person.skeleton.free = 1;
person.longdead = 1;
for (auto& joint : person.skeleton.joints) {
joint.position = DoRotation(joint.position,
0, person.playerrotation, 0);
joint.position += person.playercoords;
joint.realoldposition = joint.position;
joint.velocity = DoRotation(joint.velocity,
0, person.playerrotation, 0);
joint.velocity += person.velocity;
joint.velocity += facing * 50;
joint.velocity.x += abs(Random() % 20) - 10;
joint.velocity.y += abs(Random() % 20) - 10;
joint.velocity.z += abs(Random() % 20) - 10;
}
}
break;
case GLFW_KEY_X:
if (!game->debug || !shift || player.grenphase)
break;
player.ammo = -1;
player.whichgun++;
player.grenphase = 0;
player.reloads[player.whichgun] = 3;
if (player.whichgun > 7)
player.whichgun = 0;
break;
}
}
void eventLoop(Game* game)
{
auto start = glfwGetTime();
GLfloat oldmult = multiplier;
int colaccuracy = min(game->sps,
game->sps / game->framespersecond + 1.0f);
multiplier /= colaccuracy;
for (int i = 0; i < (int) (colaccuracy + 0.5f); i++)
game->Tick();
auto window = glfwGetCurrentContext();
if (game->DrawGLScene())
glfwSwapBuffers(window);
else
glfwSetWindowShouldClose(window, GLFW_TRUE);
multiplier = oldmult;
do game->framespersecond = 1.0 / (glfwGetTime() - start);
while (game->framespersecond > game->maxfps);
game->multiplier5 = game->multiplier4;
game->multiplier4 = game->multiplier3;
game->multiplier3 = game->multiplier2;
game->multiplier2 = 1 / game->framespersecond;
multiplier = (game->multiplier2 + game->multiplier3
+ game->multiplier4 + game->multiplier5) / 4.0f;
multiplier = min(max(multiplier, 0.00001f), 1.0f);
if (visions == 1 && !game->mainmenu)
multiplier /= 3;
if (slomo)
multiplier /= 5;
if (game->paused)
multiplier = 0;
if (IsKeyDown(GLFW_KEY_ESCAPE)) {
alSourcePause(gSourceID[rainsound]);
game->mainmenu = 1;
alSourcePlay(gSourceID[souloutsound]);
game->flashamount = 1.0f;
game->flashr = game->flashg = game->flashb = 1.0f;
alSourceStop(gSourceID[visionsound]);
game->whichsong = mainmenusong;
alSourceStop(gSourceID[knifesong]);
alSourceStop(gSourceID[shootsong]);
alSourceStop(gSourceID[zombiesong]);
alSourceStop(gSourceID[mainmenusong]);
alSourcef(gSourceID[knifesong], AL_MIN_GAIN, 0);
alSourcef(gSourceID[shootsong], AL_MIN_GAIN, 0);
alSourcef(gSourceID[zombiesong], AL_MIN_GAIN, 0);
alSourcef(gSourceID[mainmenusong], AL_MIN_GAIN, 0);
alSourcePlay(gSourceID[game->whichsong]);
alSourcef(gSourceID[game->whichsong], AL_MIN_GAIN, 1);
}
}
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