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https://github.com/libretro/RetroArch
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gong: two player support
This commit is contained in:
parent
bc8b348a04
commit
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@ -22,6 +22,7 @@
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <libretro.h>
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#include <retro_math.h>
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#include <retro_inline.h>
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@ -35,6 +36,7 @@
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#define WIDTH 356
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#define HEIGHT 200
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#define MAX_PLAYERS 2
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static retro_log_printf_t GONG_CORE_PREFIX(log_cb);
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static retro_video_refresh_t GONG_CORE_PREFIX(video_cb);
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@ -46,10 +48,6 @@ static retro_environment_t GONG_CORE_PREFIX(environ_cb);
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static const char *GONG_CORE_PREFIX(valid_extensions) = "gong";
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static float player1_py = 0.0f;
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static float player1_dpy = 0.0f;
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static float player2_py = 0.0f;
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static float player2_dpy = 0.0f;
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static float player2_speed = 0.0f;
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static float ball_px = 0.0f;
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static float ball_py = 0.0f;
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@ -61,6 +59,7 @@ static unsigned player1_score = 0;
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static unsigned player2_score = 0;
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static float current_play_points = 0.0f;
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static float refresh = 60.0f;
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static bool player2_human = false;
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static unsigned char *video_buf = NULL;
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@ -72,6 +71,12 @@ enum
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B_COUNT /* This should always be in the bottom */
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};
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typedef struct
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{
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float py;
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float dpy;
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} Player;
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typedef struct
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{
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int half_transition_count;
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@ -84,7 +89,18 @@ typedef struct
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float last_dt;
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} Game_Input;
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static Game_Input g_input = {{{0}}};
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typedef struct
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{
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uint16_t input;
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uint16_t not_input;
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uint16_t realinput;
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int16_t analogYLeft;
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int16_t analogYRight;
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} retro_inputs;
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static uint16_t previnput[MAX_PLAYERS] = {0};
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static Game_Input g_input[MAX_PLAYERS] = {0};
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static Player player[MAX_PLAYERS] = {0};
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typedef struct
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{
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@ -99,13 +115,19 @@ static Game_Offscreen_Buffer game_buffer = {0};
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static void game_update_and_render(Game_Input *input, Game_Offscreen_Buffer *draw_buffer);
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static const struct retro_controller_description pads[] = {
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static const struct retro_controller_description pads1[] = {
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{ "Joypad", RETRO_DEVICE_JOYPAD },
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{ NULL, 0 },
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};
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static const struct retro_controller_description pads2[] = {
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{ "Joypad", RETRO_DEVICE_JOYPAD },
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{ NULL, 0 },
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};
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static const struct retro_controller_info ports[] = {
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{ pads, 1 },
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{ pads1, 1 },
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{ pads2, 1 },
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{ 0 },
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};
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@ -180,6 +202,7 @@ void GONG_CORE_PREFIX(retro_set_environment)(retro_environment_t cb)
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bool no_content = true;
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static const struct retro_variable vars[] = {
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{ "gong_player2", "Player 2; CPU|Human" },
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{ "gong_refresh", "Video Refresh Rate (restart); 60|75|100|120" },
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{ NULL, NULL },
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};
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@ -196,11 +219,22 @@ static void check_variables(void)
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struct retro_variable var = {0};
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var.key = "gong_refresh";
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if (GONG_CORE_PREFIX(environ_cb)(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
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{
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int i;
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refresh = atoi(var.value);
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g_input.last_dt = 1.0f / refresh;
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for (i = 0; i < sizeof(g_input) / sizeof(g_input[0]); i++)
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g_input[i].last_dt = 1.0f / refresh;
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}
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var.key = "gong_player2";
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if (GONG_CORE_PREFIX(environ_cb)(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
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{
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if (!strncmp(var.value, "CPU", 3))
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player2_human = false;
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else if (!strncmp(var.value, "Human", 5))
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player2_human = true;
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}
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}
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@ -235,13 +269,14 @@ void GONG_CORE_PREFIX(retro_set_controller_port_device)(unsigned a, unsigned b)
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void GONG_CORE_PREFIX(retro_reset)(void)
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{
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player1_py = 0.0f;
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player1_dpy = 0.0f;
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player2_py = 0.0f;
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player2_dpy = 0.0f;
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player[0].py = 0.0f;
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player[0].dpy = 0.0f;
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player[1].py = 0.0f;
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player[1].dpy = 0.0f;
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player2_speed = 0.0f;
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player1_score = 0;
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player2_score = 0;
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player2_human = false;
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is_initialized = 0;
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}
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@ -331,63 +366,62 @@ static bool is_key_up_or_down(int16_t input, int16_t not_input, int key)
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void GONG_CORE_PREFIX(retro_run)(void)
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{
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uint16_t input = 0;
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uint16_t not_input = 0;
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static uint16_t previnput = 0;
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uint16_t realinput = 0;
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int i = 0;
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int16_t analogYLeft1 = 0;
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int16_t analogYRight1 = 0;
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int port = 0;
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bool updated = false;
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retro_inputs inputs[MAX_PLAYERS] = {0};
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if (GONG_CORE_PREFIX(environ_cb)(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
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check_variables();
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GONG_CORE_PREFIX(input_poll_cb)();
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for (i = 0; i < 16; i++)
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for (port = 0; port < MAX_PLAYERS; port++)
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{
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if (GONG_CORE_PREFIX(input_state_cb)(0, RETRO_DEVICE_JOYPAD, 0, i))
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for (i = 0; i < 16; i++)
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{
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realinput |= 1 << i;
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if (GONG_CORE_PREFIX(input_state_cb)(port, RETRO_DEVICE_JOYPAD, 0, i))
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{
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inputs[port].realinput |= 1 << i;
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}
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}
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inputs[port].analogYLeft = GONG_CORE_PREFIX(input_state_cb)(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y) / 5000.0f;
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inputs[port].analogYRight = GONG_CORE_PREFIX(input_state_cb)(port, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y) / 5000.0f;
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if (inputs[port].analogYLeft > 0)
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inputs[port].realinput |= (1 << RETRO_DEVICE_ID_JOYPAD_DOWN);
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else if (inputs[port].analogYRight > 0)
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inputs[port].realinput |= (1 << RETRO_DEVICE_ID_JOYPAD_DOWN);
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if (inputs[port].analogYLeft < 0)
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inputs[port].realinput |= (1 << RETRO_DEVICE_ID_JOYPAD_UP);
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else if (inputs[port].analogYRight < 0)
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inputs[port].realinput |= (1 << RETRO_DEVICE_ID_JOYPAD_UP);
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inputs[port].input = inputs[port].realinput & ~previnput[port];
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inputs[port].not_input = previnput[port] & ~inputs[port].realinput;
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if (is_key_up_or_down(inputs[port].input, inputs[port].not_input, RETRO_DEVICE_ID_JOYPAD_UP))
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process_joypad(&g_input[port].buttons[B_MOVE_UP], inputs[port].realinput & (1 << RETRO_DEVICE_ID_JOYPAD_UP));
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else if (is_key_up_or_down(inputs[port].input, inputs[port].not_input, RETRO_DEVICE_ID_JOYPAD_DOWN))
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process_joypad(&g_input[port].buttons[B_MOVE_DOWN], inputs[port].realinput & (1 << RETRO_DEVICE_ID_JOYPAD_DOWN));
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else if (is_key_up_or_down(inputs[port].input, inputs[port].not_input, RETRO_DEVICE_ID_JOYPAD_DOWN))
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process_joypad(&g_input[port].buttons[B_MOVE_DOWN], inputs[port].realinput & (1 << RETRO_DEVICE_ID_JOYPAD_DOWN));
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if (is_key_up_or_down(inputs[port].input, inputs[port].not_input, RETRO_DEVICE_ID_JOYPAD_A))
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process_joypad(&g_input[port].buttons[B_SPEED_UP], inputs[port].realinput & (1 << RETRO_DEVICE_ID_JOYPAD_A));
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else if (is_key_up_or_down(inputs[port].input, inputs[port].not_input, RETRO_DEVICE_ID_JOYPAD_B))
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process_joypad(&g_input[port].buttons[B_SPEED_UP], inputs[port].realinput & (1 << RETRO_DEVICE_ID_JOYPAD_B));
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else if (is_key_up_or_down(inputs[port].input, inputs[port].not_input, RETRO_DEVICE_ID_JOYPAD_X))
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process_joypad(&g_input[port].buttons[B_SPEED_UP], inputs[port].realinput & (1 << RETRO_DEVICE_ID_JOYPAD_X));
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else if (is_key_up_or_down(inputs[port].input, inputs[port].not_input, RETRO_DEVICE_ID_JOYPAD_Y))
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process_joypad(&g_input[port].buttons[B_SPEED_UP], inputs[port].realinput & (1 << RETRO_DEVICE_ID_JOYPAD_Y));
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previnput[port] = inputs[port].realinput;
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}
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analogYLeft1 = GONG_CORE_PREFIX(input_state_cb)(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y) / 5000.0f;
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analogYRight1 = GONG_CORE_PREFIX(input_state_cb)(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y) / 5000.0f;
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if (analogYLeft1 > 0)
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realinput |= (1 << RETRO_DEVICE_ID_JOYPAD_DOWN);
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else if (analogYRight1 > 0)
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realinput |= (1 << RETRO_DEVICE_ID_JOYPAD_DOWN);
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if (analogYLeft1 < 0)
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realinput |= (1 << RETRO_DEVICE_ID_JOYPAD_UP);
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else if (analogYRight1 < 0)
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realinput |= (1 << RETRO_DEVICE_ID_JOYPAD_UP);
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input = realinput & ~previnput;
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not_input = previnput & ~realinput;
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if (is_key_up_or_down(input, not_input, RETRO_DEVICE_ID_JOYPAD_UP))
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process_joypad(&g_input.buttons[B_MOVE_UP], realinput & (1 << RETRO_DEVICE_ID_JOYPAD_UP));
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else if (is_key_up_or_down(input, not_input, RETRO_DEVICE_ID_JOYPAD_DOWN))
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process_joypad(&g_input.buttons[B_MOVE_DOWN], realinput & (1 << RETRO_DEVICE_ID_JOYPAD_DOWN));
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else if (is_key_up_or_down(input, not_input, RETRO_DEVICE_ID_JOYPAD_DOWN))
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process_joypad(&g_input.buttons[B_MOVE_DOWN], realinput & (1 << RETRO_DEVICE_ID_JOYPAD_DOWN));
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if (is_key_up_or_down(input, not_input, RETRO_DEVICE_ID_JOYPAD_A))
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process_joypad(&g_input.buttons[B_SPEED_UP], realinput & (1 << RETRO_DEVICE_ID_JOYPAD_A));
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else if (is_key_up_or_down(input, not_input, RETRO_DEVICE_ID_JOYPAD_B))
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process_joypad(&g_input.buttons[B_SPEED_UP], realinput & (1 << RETRO_DEVICE_ID_JOYPAD_B));
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else if (is_key_up_or_down(input, not_input, RETRO_DEVICE_ID_JOYPAD_X))
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process_joypad(&g_input.buttons[B_SPEED_UP], realinput & (1 << RETRO_DEVICE_ID_JOYPAD_X));
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else if (is_key_up_or_down(input, not_input, RETRO_DEVICE_ID_JOYPAD_Y))
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process_joypad(&g_input.buttons[B_SPEED_UP], realinput & (1 << RETRO_DEVICE_ID_JOYPAD_Y));
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previnput = realinput;
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game_update_and_render(&g_input, &game_buffer);
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game_update_and_render(g_input, &game_buffer);
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GONG_CORE_PREFIX(video_cb)(video_buf, WIDTH, HEIGHT, WIDTH * sizeof(uint32_t));
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}
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@ -568,6 +602,7 @@ static void game_update_and_render(Game_Input *input, Game_Offscreen_Buffer *dra
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float playing_field_y = 48.f;
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float player_size_x = 2.5f;
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float player_size_y = 10.f;
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int i;
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if (!is_initialized)
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{
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@ -580,59 +615,65 @@ static void game_update_and_render(Game_Input *input, Game_Offscreen_Buffer *dra
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player2_speed = 80.f;
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}
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for (i = 0; i < MAX_PLAYERS; i++)
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{
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float speed = 80.f;
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player1_dpy = 0.f;
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if (is_down(input->buttons[B_SPEED_UP]))
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if (i == 1 && !player2_human)
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break;
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player[i].dpy = 0.f;
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if (is_down(input[i].buttons[B_SPEED_UP]))
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speed = 150.f;
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if (is_down(input->buttons[B_MOVE_UP]))
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if (is_down(input[i].buttons[B_MOVE_UP]))
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{
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if (player1_py < playing_field_y - player_size_y)
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if (player[i].py < playing_field_y - player_size_y)
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{
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player1_dpy = speed;
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player[i].dpy = speed;
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}
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if (player1_py < -playing_field_y + player_size_y)
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if (player[i].py < -playing_field_y + player_size_y)
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{
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player1_py = -playing_field_y + player_size_y;
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player1_dpy = 0.f;
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player[i].py = -playing_field_y + player_size_y;
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player[i].dpy = 0.f;
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}
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}
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if (is_down(input->buttons[B_MOVE_DOWN]))
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if (is_down(input[i].buttons[B_MOVE_DOWN]))
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{
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if (player1_py > -playing_field_y + player_size_y)
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if (player[i].py > -playing_field_y + player_size_y)
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{
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player1_dpy = -speed;
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player[i].dpy = -speed;
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}
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if (player1_py < -playing_field_y + player_size_y)
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if (player[i].py < -playing_field_y + player_size_y)
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{
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player1_py = -playing_field_y + player_size_y;
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player1_dpy = 0.f;
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player[i].py = -playing_field_y + player_size_y;
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player[i].dpy = 0.f;
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}
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}
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player1_py += player1_dpy * input->last_dt;
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player[i].py += player[i].dpy * input->last_dt;
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}
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if (!player2_human)
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{
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player2_dpy = (ball_py - player2_py) * 100.f;
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player2_dpy = MIN(player2_dpy, player2_speed);
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player2_dpy = MAX(player2_dpy, -player2_speed);
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player2_py += player2_dpy * input->last_dt;
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player[1].dpy = (ball_py - player[1].py) * 100.f;
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player[1].dpy = MIN(player[1].dpy, player2_speed);
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player[1].dpy = MAX(player[1].dpy, -player2_speed);
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player[1].py += player[1].dpy * input->last_dt;
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if (player2_py < -playing_field_y + player_size_y)
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if (player[1].py < -playing_field_y + player_size_y)
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{
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player2_py = -playing_field_y + player_size_y;
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player2_dpy = 0.f;
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player[1].py = -playing_field_y + player_size_y;
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player[1].dpy = 0.f;
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}
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if (player2_py > playing_field_y - player_size_y)
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if (player[1].py > playing_field_y - player_size_y)
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{
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player2_py = playing_field_y - player_size_y;
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player2_dpy = 0.f;
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player[1].py = playing_field_y - player_size_y;
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player[1].dpy = 0.f;
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}
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}
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@ -662,11 +703,11 @@ static void game_update_and_render(Game_Input *input, Game_Offscreen_Buffer *dra
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if (ball_px > 80.f - 2.5f - 1.f) /* @Hardcoded */
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{
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if ((ball_py >= (player2_py - 10.f)) && (ball_py <= (player2_py + 10.f)))
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if ((ball_py >= (player[1].py - 10.f)) && (ball_py <= (player[1].py + 10.f)))
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{
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ball_dpx *= -1.f;
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ball_px = 80.f - 2.5f - 1.f; /* @Hardcoded */
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ball_dpy = (ball_py - player2_py) + player2_dpy;
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ball_dpy = (ball_py - player[1].py) + player[1].dpy;
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++current_play_points;
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}
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else if (ball_px >= playing_field_x - 1)
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@ -681,11 +722,11 @@ static void game_update_and_render(Game_Input *input, Game_Offscreen_Buffer *dra
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}
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else if (ball_px < -80 + 2.5f + 1.f) /* @Hardcoded */
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{
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if ((ball_py >= (player1_py - 10.f)) && (ball_py <= (player1_py + 10.f)))
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if ((ball_py >= (player[0].py - 10.f)) && (ball_py <= (player[0].py + 10.f)))
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{
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ball_dpx *= -1.f;
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ball_px = -80 + 2.5f + 1.f; /* @Hardcoded */
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ball_dpy = (ball_py - player1_py) + player1_dpy;
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ball_dpy = (ball_py - player[0].py) + player[0].dpy;
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++current_play_points;
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}
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else if (ball_px <= -playing_field_x + 1)
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@ -696,15 +737,17 @@ static void game_update_and_render(Game_Input *input, Game_Offscreen_Buffer *dra
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ball_dpx = initial_ball_speed;
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player1_score += (unsigned)current_play_points;
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current_play_points = 10.f;
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player2_speed += current_play_points * 0.01f;
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if (!player2_human)
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player2_speed += current_play_points * 0.01f;
|
||||
}
|
||||
}
|
||||
|
||||
clear(draw_buffer, 0x021077);
|
||||
draw_rect(draw_buffer, 0x000530, 0.f, 0.f, playing_field_x, playing_field_y);
|
||||
|
||||
draw_rect(draw_buffer, 0x00ffff, -80.f, player1_py, player_size_x, player_size_y);
|
||||
draw_rect(draw_buffer, 0x00ffff, 80.f, player2_py, player_size_x, player_size_y);
|
||||
draw_rect(draw_buffer, 0x00ffff, -80.f, player[0].py, player_size_x, player_size_y);
|
||||
draw_rect(draw_buffer, 0x00ffff, 80.f, player[1].py, player_size_x, player_size_y);
|
||||
|
||||
draw_rect(draw_buffer, 0xffff00, ball_px, ball_py, 1.f, 1.f);
|
||||
|
||||
|
Loading…
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Reference in New Issue
Block a user