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
|
#include "player.h"
#include "entities.h"
#include "raylib.h"
#include "raymath.h"
Vector2 GetInputVector() {
Vector2 input = {0};
if (IsKeyDown(KEY_W))
input.y -= 1;
if (IsKeyDown(KEY_S))
input.y += 1;
if (IsKeyDown(KEY_A))
input.x -= 1;
if (IsKeyDown(KEY_D))
input.x += 1;
return input;
}
static void CollectPickups(Player *player, Entities *entities) {
for (int i = 0; i < entities->pickupsCount; i++) {
Pickup *p = &entities->pickups[i];
if (!p->active)
continue;
if (!CheckCollisionRecs(player->bounds, p->bounds))
continue;
switch (p->type) {
case PICKUP_FULL_HEART:
if (player->health >= player->maxHealth)
continue;
player->health = Clamp(player->health + 2, 0, player->maxHealth);
break;
case PICKUP_HALF_HEART:
if (player->health >= player->maxHealth)
continue;
player->health = Clamp(player->health + 1, 0, player->maxHealth);
break;
case PICKUP_COIN:
player->inventory.currency += 1;
break;
case PICKUP_GOLD_NUGGET:
player->inventory.currency += 5;
break;
case PICKUP_GOLD_BAR:
player->inventory.currency += 10;
break;
case PICKUP_POTION:
player->inventory.potions += 1;
break;
case PICKUP_BOMB:
player->inventory.bombs += 1;
break;
}
p->active = false;
}
}
void AnimatePlayer(Player *player) {
int baseTileId = 0;
if (player->state == 0)
baseTileId = player->facingRight ? 0 : 7;
else if (player->state == 1)
baseTileId = player->facingRight ? 14 : 21;
TmxTilesetTile *tileData = NULL;
for (uint32_t i = 0; i < player->tileset.tilesLength; i++) {
if (player->tileset.tiles[i].id == (uint32_t)baseTileId) {
tileData = &player->tileset.tiles[i];
break;
}
}
if (tileData && tileData->hasAnimation) {
player->frameTime += GetFrameTime(); // raytmx stores durations in seconds
float duration = tileData->animation.frames[player->currentFrame].duration;
if (player->frameTime >= duration) {
player->frameTime -= duration;
player->currentFrame =
(player->currentFrame + 1) % tileData->animation.framesLength;
}
}
}
void UpdatePlayer(Player *player, Map *map, struct Entities *entities) {
Vector2 move = GetInputVector();
PlayerState newState = (Vector2Length(move) > 0) ? PLAYER_WALK : PLAYER_IDLE;
bool newFacingRight = player->facingRight;
if (move.x > 0)
newFacingRight = true;
else if (move.x < 0)
newFacingRight = false;
if (newState != player->state || newFacingRight != player->facingRight) {
player->state = newState;
player->facingRight = newFacingRight;
player->currentFrame = 0;
player->frameTime = 0;
}
if (Vector2Length(move) > 0) {
move = Vector2Scale(Vector2Normalize(move), player->speed * GetFrameTime());
Rectangle nextX = player->bounds;
nextX.x += move.x;
if (!isCollision(map, nextX)) {
player->position.x += move.x;
player->bounds.x += move.x;
}
Rectangle nextY = player->bounds;
nextY.y += move.y;
if (!isCollision(map, nextY)) {
player->position.y += move.y;
player->bounds.y += move.y;
}
}
if (entities)
CollectPickups(player, entities);
AnimatePlayer(player);
}
void DrawPlayer(Player *player) {
int baseTileId = 0;
if (player->state == 0)
baseTileId = player->facingRight ? 0 : 7;
else if (player->state == 1)
baseTileId = player->facingRight ? 14 : 21;
TmxTilesetTile *tileData = NULL;
for (uint32_t i = 0; i < player->tileset.tilesLength; i++) {
if (player->tileset.tiles[i].id == (uint32_t)baseTileId) {
tileData = &player->tileset.tiles[i];
break;
}
}
int displayTileId = baseTileId;
if (tileData && tileData->hasAnimation) {
displayTileId = tileData->animation.frames[player->currentFrame].gid;
}
int col = displayTileId % player->tileset.columns;
int row = displayTileId / player->tileset.columns;
Rectangle source = {(float)(col * player->tileset.tileWidth),
(float)(row * player->tileset.tileHeight),
(float)player->tileset.tileWidth,
(float)player->tileset.tileHeight};
Vector2 pos = {player->position.x - (float)player->tileset.tileWidth / 2.0f,
player->position.y - (float)player->tileset.tileHeight / 2.0f};
DrawTextureRec(player->tileset.image.texture, source, pos, WHITE);
}
|
