1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
/*
* Copyright (c) 2010 Jice
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * The name of Jice may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY JICE ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL JICE BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "main.hpp"
#include <SDL.h>
#include <algorithm>
#include <array>
#include <libtcod.hpp>
#include <libtcod/timer.hpp>
#include <memory>
#include "util_ripples.hpp"
static constexpr auto WHITE = TCOD_ColorRGB{255, 255, 255};
TCODNoise noise2d(2);
TCODNoise noise3d(3);
std::unique_ptr<RippleManager> rippleManager;
std::unique_ptr<TCODImage> ground, ground_with_ripples;
std::array<TCODColor, 256> mapGradient;
static constexpr auto MAX_COLOR_KEY = 8;
// TCOD's land color map
static constexpr float sandHeight = 0.3f;
static constexpr float grassHeight = 0.5f;
static constexpr float snowHeight = 0.9f;
static constexpr std::array<int, MAX_COLOR_KEY> keyIndex{
0,
static_cast<int>(sandHeight * 255),
static_cast<int>(sandHeight * 255) + 4,
static_cast<int>(grassHeight * 255),
static_cast<int>(grassHeight * 255) + 10,
static_cast<int>(snowHeight * 255),
static_cast<int>(snowHeight * 255) + 10,
255,
};
static constexpr std::array<TCODColor, MAX_COLOR_KEY> keyColor{
TCODColor(10, 10, 90), // deep water
TCODColor(30, 30, 170), // water-sand transition
TCODColor(114, 150, 71), // sand
TCODColor(80, 120, 10), // sand-grass transition
TCODColor(17, 109, 7), // grass
TCODColor(120, 220, 120), // grass-snow transistion
TCODColor(208, 208, 239), // snow
TCODColor(255, 255, 255),
};
void render(TCOD_Console& console) {
// copy ground into ground_with_ripples. damn libtcod should have that...
for (int y = 0; y < CON_H * 2; ++y) {
for (int x = 0; x < CON_W * 2; ++x) {
ground_with_ripples->putPixel(x, y, ground->getPixel(x, y));
}
}
rippleManager->renderRipples(*ground, *ground_with_ripples);
tcod::draw_quartergraphics(console, *ground_with_ripples);
tcod::print(console, {3, 49}, "Click in water to trigger ripples", WHITE, std::nullopt);
}
int main(int argc, char* argv[]) {
auto tileset = tcod::load_tilesheet("data/fonts/terminal8x8_gs_tc.png", {32, 8}, tcod::CHARMAP_TCOD);
auto console = tcod::Console{CON_W, CON_H};
// initialize the game window
TCOD_ContextParams params{};
params.tcod_version = SDL_COMPILEDVERSION;
params.argc = argc;
params.argv = argv;
params.console = console.get();
params.vsync = true;
params.window_title = "Water ripples";
params.sdl_window_flags = SDL_WINDOW_RESIZABLE;
params.tileset = tileset.get();
auto context = tcod::Context(params);
bool endCredits = false;
// create a 2d noise
TCODHeightMap hm(CON_W * 2, CON_H * 2);
hm.addFbm(&noise2d, 3.0f, 3.0f, 0, 0, 7.0f, 1.0f, 0.5f);
hm.normalize();
// apply a color map to create a ground image
TCODColor::genMap(&mapGradient[0], MAX_COLOR_KEY, keyColor.data(), keyIndex.data());
ground = std::make_unique<TCODImage>(CON_W * 2, CON_H * 2);
ground_with_ripples = std::make_unique<TCODImage>(CON_W * 2, CON_H * 2);
// create a TCODMap defining water zones. Walkable = water
TCODMap waterMap(CON_W * 2, CON_H * 2);
for (int y = 0; y < CON_H * 2; ++y) {
for (int x = 0; x < CON_W * 2; ++x) {
const float h = hm.getValue(x, y);
const bool isWater = h < sandHeight;
waterMap.setProperties(x, y, isWater, isWater);
const int ih = std::max(0, std::min(static_cast<int>(h * 256), 255)); // Clamp to 0...255.
ground->putPixel(x, y, mapGradient[ih]);
}
}
rippleManager = std::make_unique<RippleManager>(waterMap);
auto timer = tcod::Timer();
while (true) {
const float delta_time = timer.sync();
SDL_Event event;
while (SDL_PollEvent(&event)) {
context.convert_event_coordinates(event);
switch (event.type) {
case SDL_QUIT:
std::exit(EXIT_SUCCESS);
break;
case SDL_KEYDOWN:
switch (event.key.keysym.sym) {
case SDLK_PRINTSCREEN:
context.save_screenshot();
break;
default:
break;
}
break;
case SDL_MOUSEMOTION:
if (event.motion.state & SDL_BUTTON_LMASK) {
rippleManager->startRipple(event.motion.x * 2, event.motion.y * 2);
}
break;
case SDL_MOUSEBUTTONDOWN:
if (event.button.button == SDL_BUTTON_LEFT) {
rippleManager->startRipple(event.button.x * 2, event.button.y * 2);
}
break;
default:
break;
}
}
rippleManager->updateRipples(delta_time);
// render the game screen
render(console);
// render libtcod credits
if (!endCredits) endCredits = TCOD_console_credits_render_ex(console.get(), 4, 4, true, delta_time);
// flush updates to screen
context.present(console);
}
return 0;
}
|
