// license:BSD-3-Clause
// copyright-holders:Olivier Galibert
#include <functional>
#include <glm/glm/vec3.hpp>
#include "audio/dsbz80.h"
#include "audio/segam1audio.h"
#include "cpu/v60/v60.h"
#include "machine/m1comm.h"
#include "video/segaic24.h"
#define DECLARE_TGP_FUNCTION(name) void name()
enum {FIFO_SIZE = 256};
enum {MAT_STACK_SIZE = 32};
class model1_state : public driver_device
{
public:
model1_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_m1audio(*this, "m1audio")
, m_m1comm(*this, "m1comm")
, m_dsbz80(*this, DSBZ80_TAG)
, m_tgp(*this, "tgp")
, m_screen(*this, "screen")
, m_mr2(*this, "mr2")
, m_mr(*this, "mr")
, m_display_list0(*this, "display_list0")
, m_display_list1(*this, "display_list1")
, m_color_xlat(*this, "color_xlat")
, m_paletteram16(*this, "palette")
, m_palette(*this, "palette")
, m_tiles(*this, "tile")
, m_analog_ports(*this, "AN")
, m_digital_ports(*this, "IN")
{
}
// Machine
DECLARE_MACHINE_START(model1);
DECLARE_MACHINE_RESET(model1);
DECLARE_MACHINE_RESET(model1_vr);
DECLARE_READ16_MEMBER(network_ctl_r);
DECLARE_WRITE16_MEMBER(network_ctl_w);
DECLARE_READ16_MEMBER(io_r);
DECLARE_WRITE16_MEMBER(io_w);
DECLARE_WRITE16_MEMBER(bank_w);
TIMER_DEVICE_CALLBACK_MEMBER(model1_interrupt);
IRQ_CALLBACK_MEMBER(irq_callback);
// Sound
DECLARE_READ16_MEMBER(snd_68k_ready_r);
DECLARE_WRITE16_MEMBER(snd_latch_to_68k_w);
// TGP
DECLARE_READ16_MEMBER(fifoin_status_r);
DECLARE_WRITE16_MEMBER(md1_w);
DECLARE_WRITE16_MEMBER(md0_w);
DECLARE_WRITE16_MEMBER(p_w);
DECLARE_WRITE16_MEMBER(mr_w);
DECLARE_WRITE16_MEMBER(mr2_w);
DECLARE_READ16_MEMBER(model1_tgp_copro_r);
DECLARE_WRITE16_MEMBER(model1_tgp_copro_w);
DECLARE_READ16_MEMBER(model1_tgp_copro_adr_r);
DECLARE_WRITE16_MEMBER(model1_tgp_copro_adr_w);
DECLARE_READ16_MEMBER(model1_tgp_copro_ram_r);
DECLARE_WRITE16_MEMBER(model1_tgp_copro_ram_w);
DECLARE_READ16_MEMBER(model1_tgp_vr_adr_r);
DECLARE_WRITE16_MEMBER(model1_tgp_vr_adr_w);
DECLARE_READ16_MEMBER(model1_vr_tgp_ram_r);
DECLARE_WRITE16_MEMBER(model1_vr_tgp_ram_w);
DECLARE_READ16_MEMBER(model1_vr_tgp_r);
DECLARE_WRITE16_MEMBER(model1_vr_tgp_w);
DECLARE_READ32_MEMBER(copro_ram_r);
DECLARE_WRITE32_MEMBER(copro_ram_w);
DECLARE_READ_LINE_MEMBER(copro_fifoin_pop_ok);
DECLARE_READ32_MEMBER(copro_fifoin_pop);
DECLARE_WRITE32_MEMBER(copro_fifoout_push);
// Rendering
DECLARE_VIDEO_START(model1);
DECLARE_READ16_MEMBER(model1_listctl_r);
DECLARE_WRITE16_MEMBER(model1_listctl_w);
UINT32 screen_update_model1(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
void screen_eof_model1(screen_device &screen, bool state);
struct spoint_t
{
INT32 x, y;
};
struct point_t
{
float x, y, z;
float xx, yy;
spoint_t s;
};
class quad_t
{
public:
quad_t() : z(0), col(0) { p[0] = nullptr; p[1] = nullptr; p[2] = nullptr; p[3] = nullptr; }
quad_t(int ccol, float cz, point_t* p0, point_t* p1, point_t* p2, point_t* p3)
: z(cz)
, col(ccol)
{
p[0] = p0;
p[1] = p1;
p[2] = p2;
p[3] = p3;
}
int compare(const quad_t* other) const;
point_t *p[4];
float z;
int col;
};
struct lightparam_t
{
float a;
float d;
float s;
int p;
};
class view_t
{
public:
view_t() { }
void init_translation_matrix();
void set_viewport(float xcenter, float ycenter, float xl, float xr, float yb, float yt);
void set_lightparam(int index, float diffuse, float ambient, float specular, int power);
void set_zoom(float x, float y);
void set_light_direction(float x, float y, float z);
void set_translation_matrix(float* mat);
void set_view_translation(float x, float y);
void project_point(point_t *p) const;
void project_point_direct(point_t *p) const;
void transform_vector(glm::vec3& p) const;
void transform_point(point_t *p) const;
void recompute_frustum();
int xc, yc, x1, y1, x2, y2;
float zoomx, zoomy, viewx, viewy;
float a_bottom, a_top, a_left, a_right;
float vxx, vyy, vzz, ayy, ayyc, ayys;
float translation[12];
glm::vec3 light;
lightparam_t lightparams[32];
};
private:
// Machine
void irq_raise(int level);
void irq_init();
int m_last_irq;
bool m_dump;
bool m_swa;
// Devices
required_device<v60_device> m_maincpu; // V60
required_device<segam1audio_device> m_m1audio; // Model 1 standard sound board
optional_device<m1comm_device> m_m1comm; // Model 1 communication board
optional_device<dsbz80_device> m_dsbz80; // Digital Sound Board
optional_device<mb86233_cpu_device> m_tgp;
required_device<screen_device> m_screen;
required_shared_ptr<UINT16> m_mr2;
required_shared_ptr<UINT16> m_mr;
required_shared_ptr<UINT16> m_display_list0;
required_shared_ptr<UINT16> m_display_list1;
required_shared_ptr<UINT16> m_color_xlat;
// Sound
int m_sound_irq;
UINT8 m_last_snd_cmd;
int m_snd_cmd_state;
// TGP FIFO
UINT32 fifoout_pop();
void fifoout_push(UINT32 data);
void fifoout_push_f(float data);
UINT32 fifoin_pop();
void fifoin_push(UINT32 data);
float fifoin_pop_f();
UINT16 ram_get_i();
float ram_get_f();
void copro_fifoin_push(UINT32 data);
UINT32 copro_fifoout_pop();
void next_fn();
UINT32 m_copro_r;
UINT32 m_copro_w;
int m_copro_fifoout_rpos;
int m_copro_fifoout_wpos;
UINT32 m_copro_fifoout_data[FIFO_SIZE];
int m_copro_fifoout_num;
int m_copro_fifoin_rpos;
int m_copro_fifoin_wpos;
UINT32 m_copro_fifoin_data[FIFO_SIZE];
int m_copro_fifoin_num;
// TGP
void vr_tgp_reset();
void tgp_reset(bool swa);
DECLARE_TGP_FUNCTION( fadd );
DECLARE_TGP_FUNCTION( fsub );
DECLARE_TGP_FUNCTION( fmul );
DECLARE_TGP_FUNCTION( fdiv );
DECLARE_TGP_FUNCTION( matrix_push );
DECLARE_TGP_FUNCTION( matrix_pop );
DECLARE_TGP_FUNCTION( matrix_write );
DECLARE_TGP_FUNCTION( clear_stack );
DECLARE_TGP_FUNCTION( matrix_mul );
DECLARE_TGP_FUNCTION( anglev );
DECLARE_TGP_FUNCTION( triangle_normal );
DECLARE_TGP_FUNCTION( normalize );
DECLARE_TGP_FUNCTION( acc_seti );
DECLARE_TGP_FUNCTION( track_select );
DECLARE_TGP_FUNCTION( load_base );
DECLARE_TGP_FUNCTION( transpose );
DECLARE_TGP_FUNCTION( anglep );
DECLARE_TGP_FUNCTION( matrix_ident );
DECLARE_TGP_FUNCTION( matrix_read );
DECLARE_TGP_FUNCTION( matrix_trans );
DECLARE_TGP_FUNCTION( matrix_scale );
DECLARE_TGP_FUNCTION( matrix_rotx );
DECLARE_TGP_FUNCTION( matrix_roty );
DECLARE_TGP_FUNCTION( matrix_rotz );
DECLARE_TGP_FUNCTION( track_read_quad );
DECLARE_TGP_FUNCTION( intercept );
DECLARE_TGP_FUNCTION( transform_point );
DECLARE_TGP_FUNCTION( fcos_m1 );
DECLARE_TGP_FUNCTION( fsin_m1 );
DECLARE_TGP_FUNCTION( fcosm_m1 );
DECLARE_TGP_FUNCTION( fsinm_m1 );
DECLARE_TGP_FUNCTION( distance3 );
DECLARE_TGP_FUNCTION( ftoi );
DECLARE_TGP_FUNCTION( itof );
DECLARE_TGP_FUNCTION( acc_set );
DECLARE_TGP_FUNCTION( acc_get );
DECLARE_TGP_FUNCTION( acc_add );
DECLARE_TGP_FUNCTION( acc_sub );
DECLARE_TGP_FUNCTION( acc_mul );
DECLARE_TGP_FUNCTION( acc_div );
DECLARE_TGP_FUNCTION( f42 );
DECLARE_TGP_FUNCTION( xyz2rqf );
DECLARE_TGP_FUNCTION( f43 );
DECLARE_TGP_FUNCTION( f43_swa );
DECLARE_TGP_FUNCTION( track_read_tri );
DECLARE_TGP_FUNCTION( matrix_sdir );
DECLARE_TGP_FUNCTION( fsqrt );
DECLARE_TGP_FUNCTION( vlength );
DECLARE_TGP_FUNCTION( f47 );
DECLARE_TGP_FUNCTION( track_read_info );
DECLARE_TGP_FUNCTION( colbox_set );
DECLARE_TGP_FUNCTION( colbox_test );
DECLARE_TGP_FUNCTION( f49_swa );
DECLARE_TGP_FUNCTION( f50_swa );
DECLARE_TGP_FUNCTION( f52 );
DECLARE_TGP_FUNCTION( matrix_rdir );
DECLARE_TGP_FUNCTION( track_lookup );
DECLARE_TGP_FUNCTION( f56 );
DECLARE_TGP_FUNCTION( int_normal );
DECLARE_TGP_FUNCTION( matrix_readt );
DECLARE_TGP_FUNCTION( acc_geti );
DECLARE_TGP_FUNCTION( int_point );
DECLARE_TGP_FUNCTION( col_setcirc );
DECLARE_TGP_FUNCTION( col_testpt );
DECLARE_TGP_FUNCTION( push_and_ident );
DECLARE_TGP_FUNCTION( catmull_rom );
DECLARE_TGP_FUNCTION( distance );
DECLARE_TGP_FUNCTION( car_move );
DECLARE_TGP_FUNCTION( cpa );
DECLARE_TGP_FUNCTION( vmat_store );
DECLARE_TGP_FUNCTION( vmat_restore );
DECLARE_TGP_FUNCTION( vmat_mul );
DECLARE_TGP_FUNCTION( vmat_read );
DECLARE_TGP_FUNCTION( matrix_rtrans );
DECLARE_TGP_FUNCTION( matrix_unrot );
DECLARE_TGP_FUNCTION( f80 );
DECLARE_TGP_FUNCTION( vmat_save );
DECLARE_TGP_FUNCTION( vmat_load );
DECLARE_TGP_FUNCTION( ram_setadr );
DECLARE_TGP_FUNCTION( groundbox_test );
DECLARE_TGP_FUNCTION( f89 );
DECLARE_TGP_FUNCTION( f92 );
DECLARE_TGP_FUNCTION( f93 );
DECLARE_TGP_FUNCTION( f94 );
DECLARE_TGP_FUNCTION( vmat_flatten );
DECLARE_TGP_FUNCTION( vmat_load1 );
DECLARE_TGP_FUNCTION( ram_trans );
DECLARE_TGP_FUNCTION( f98_load );
DECLARE_TGP_FUNCTION( f98 );
DECLARE_TGP_FUNCTION( f99 );
DECLARE_TGP_FUNCTION( f100 );
DECLARE_TGP_FUNCTION( groundbox_set );
DECLARE_TGP_FUNCTION( f102 );
DECLARE_TGP_FUNCTION( f103 );
DECLARE_TGP_FUNCTION( dump );
DECLARE_TGP_FUNCTION( function_get_vf );
DECLARE_TGP_FUNCTION( function_get_swa );
class clipper_t
{
public:
clipper_t()
: m_isclipped(nullptr)
, m_clip(nullptr)
{
}
clipper_t(std::function<bool(view_t*, point_t*)> isclipped, std::function<void(view_t*, point_t*, point_t*, point_t*)> clip)
: m_isclipped(isclipped)
, m_clip(clip)
{
}
std::function<bool(view_t*, point_t*)> m_isclipped;
std::function<void(view_t*, point_t*, point_t*, point_t*)> m_clip;
};
view_t *m_view;
point_t *m_pointdb;
point_t *m_pointpt;
quad_t *m_quaddb;
quad_t *m_quadpt;
quad_t **m_quadind;
offs_t m_pushpc;
int m_fifoin_rpos;
int m_fifoin_wpos;
UINT32 m_fifoin_data[FIFO_SIZE];
int m_fifoin_cbcount;
typedef void (model1_state::*tgp_func)();
tgp_func m_fifoin_cb;
struct function
{
tgp_func cb;
int count;
};
static const struct function ftab_vf[];
static const struct function ftab_swa[];
INT32 m_fifoout_rpos;
INT32 m_fifoout_wpos;
UINT32 m_fifoout_data[FIFO_SIZE];
UINT32 m_list_length;
float m_cmat[12];
float m_mat_stack[MAT_STACK_SIZE][12];
float m_mat_vector[21][12];
INT32 m_mat_stack_pos;
float m_acc;
float m_tgp_vf_xmin;
float m_tgp_vf_xmax;
float m_tgp_vf_zmin;
float m_tgp_vf_zmax;
float m_tgp_vf_ygnd;
float m_tgp_vf_yflr;
float m_tgp_vf_yjmp;
float m_tgp_vr_circx;
float m_tgp_vr_circy;
float m_tgp_vr_circrad;
float m_tgp_vr_cbox[12];
int m_tgp_vr_select;
float m_tgp_int_px;
float m_tgp_int_py;
float m_tgp_int_pz;
UINT32 m_tgp_int_adr;
UINT16 m_ram_adr;
UINT16 m_ram_latch[2];
UINT16 m_ram_scanadr;
std::unique_ptr<UINT32[]> m_ram_data;
float m_tgp_vr_base[4];
int m_puuu;
int m_ccount;
UINT32 m_vr_r;
UINT32 m_vr_w;
UINT16 m_listctl[2];
UINT16 *m_glist;
bool m_render_done;
std::unique_ptr<UINT16[]> m_tgp_ram;
UINT32 *m_poly_rom;
std::unique_ptr<UINT32[]> m_poly_ram;
// Rendering helper functions
UINT32 readi(const UINT16 *adr) const;
INT16 readi16(const UINT16 *adr) const;
float readf(const UINT16 *adr) const;
void cross_product(point_t* o, const point_t* p, const point_t* q) const;
float view_determinant(const point_t *p1, const point_t *p2, const point_t *p3) const;
static bool fclip_isc_bottom(view_t*, point_t*);
static bool fclip_isc_top(view_t*, point_t*);
static bool fclip_isc_left(view_t*, point_t*);
static bool fclip_isc_right(view_t*, point_t*);
static void fclip_clip_bottom(view_t*, point_t*, point_t*, point_t*);
static void fclip_clip_top(view_t*, point_t*, point_t*, point_t*);
static void fclip_clip_left(view_t*, point_t*, point_t*, point_t*);
static void fclip_clip_right(view_t*, point_t*, point_t*, point_t*);
// Rendering
void tgp_render(bitmap_rgb32 &bitmap, const rectangle &cliprect);
void tgp_scan();
void sort_quads() const;
void unsort_quads() const;
void draw_quads(bitmap_rgb32 &bitmap, const rectangle &cliprect);
static void recompute_frustum(view_t *view);
static void draw_hline(bitmap_rgb32 &bitmap, int x1, int x2, int y, int color);
static void draw_hline_moired(bitmap_rgb32 &bitmap, int x1, int x2, int y, int color);
static void fill_slope(bitmap_rgb32 &bitmap, view_t *view, int color, INT32 x1, INT32 x2, INT32 sl1, INT32 sl2, INT32 y1, INT32 y2, INT32 *nx1, INT32 *nx2);
static void fill_line(bitmap_rgb32 &bitmap, view_t *view, int color, INT32 y, INT32 x1, INT32 x2);
void fill_quad(bitmap_rgb32 &bitmap, view_t *view, const quad_t& q) const;
void fclip_push_quad_next(int level, quad_t& q, point_t *p1, point_t *p2, point_t *p3, point_t *p4);
void fclip_push_quad(int level, quad_t& q);
static float min4f(float a, float b, float c, float d);
static float max4f(float a, float b, float c, float d);
static float compute_specular(glm::vec3& normal, glm::vec3& light, float diffuse,int lmode);
void push_object(UINT32 tex_adr, UINT32 poly_adr, UINT32 size);
UINT16* push_direct(UINT16 *list);
UINT16* skip_direct(UINT16 *list) const;
void draw_objects(bitmap_rgb32 &bitmap, const rectangle &cliprect);
UINT16* draw_direct(bitmap_rgb32 &bitmap, const rectangle &cliprect, UINT16 *list);
UINT16* get_list();
int get_list_number();
void end_frame();
clipper_t m_clipfn[4];
optional_shared_ptr<UINT16> m_paletteram16;
required_device<palette_device> m_palette;
required_device<segas24_tile> m_tiles;
// I/O related
UINT16 m_lamp_state;
optional_ioport_array<8> m_analog_ports;
required_ioport_array<3> m_digital_ports;
};
/*----------- defined in machine/model1.c -----------*/
ADDRESS_MAP_EXTERN( model1_vr_tgp_map, 32 );